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102121112001011 = 712118423809297
BaseRepresentation
bin10111001110000011101100…
…100110101101100111110011
3111101120200102212202111100212
4113032003230212231213303
5101341123014133013021
61001105442522134335
730340002232521215
oct2716035446554763
9441520385674325
10102121112001011
112a5a2358483984
12b5539099513ab
1344c9c9708792c
141b3098c58c5b5
15bc16101a985b
hex5ce0ec9ad9f3

102121112001011 has 16 divisors (see below), whose sum is σ = 104062722236928. Its totient is φ = 100193596406400.

The previous prime is 102121112000981. The next prime is 102121112001043. The reversal of 102121112001011 is 110100211121201.

It is a cyclic number.

It is not a de Polignac number, because 102121112001011 - 214 = 102121111984627 is a prime.

It is a super-3 number, since 3×1021211120010113 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102121112001091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125780315 + ... + 126589611.

It is an arithmetic number, because the mean of its divisors is an integer number (6503920139808).

Almost surely, 2102121112001011 is an apocalyptic number.

102121112001011 is a deficient number, since it is larger than the sum of its proper divisors (1941610235917).

102121112001011 is an equidigital number, since it uses as much as digits as its factorization.

102121112001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818002.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102121112001011 its reverse (110100211121201), we get a palindrome (212221323122212).

The spelling of 102121112001011 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twelve million, one thousand, eleven".

Divisors: 1 71 211 8423 14981 598033 809297 1777253 57460087 126184963 170761667 6816708631 12124078357 483986312801 1438325521141 102121112001011