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102121000110112 = 25171481126753833
BaseRepresentation
bin10111001110000011100101…
…111011111000100000100000
3111101120200011002012211220111
4113032003211323320200200
5101341122302012010422
61001105423444021104
730336666403462534
oct2716034573704040
9441520132184814
10102121000110112
112a5a2300300665
12b553898391794
1344c9c79b3c9b9
141b3097b783bc4
15bc1605456a77
hex5ce0e5ef8820

102121000110112 has 48 divisors (see below), whose sum is σ = 213020972374392. Its totient is φ = 48024491868160.

The previous prime is 102121000110109. The next prime is 102121000110167. The reversal of 102121000110112 is 211011000121201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 94396847366416 + 7724152743696 = 9715804^2 + 2779236^2 .

It is a super-2 number, since 2×1021210001101122 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102121000110092 and 102121000110101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62571253 + ... + 64182580.

Almost surely, 2102121000110112 is an apocalyptic number.

It is an amenable number.

102121000110112 is an abundant number, since it is smaller than the sum of its proper divisors (110899972264280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102121000110112 is a wasteful number, since it uses less digits than its factorization.

102121000110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126755341 (or 126755333 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102121000110112 its reverse (211011000121201), we get a palindrome (313132000231313).

The spelling of 102121000110112 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 1481 2962 5924 11848 23696 25177 47392 50354 100708 201416 402832 805664 126753833 253507666 507015332 1014030664 2028061328 2154815161 4056122656 4309630322 8619260644 17238521288 34477042576 68954085152 187722426673 375444853346 750889706692 1501779413384 3003558826768 3191281253441 6007117653536 6382562506882 12765125013764 25530250027528 51060500055056 102121000110112