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102210110121122 = 251105055060561
BaseRepresentation
bin10111001111010110100101…
…010011100110010010100010
3111101220012011022102102122122
4113033112211103212102202
5101344102301142333442
61001214402032504242
730346302545204153
oct2717264523462242
9441805138372578
10102210110121122
112a627078607863
12b5690070ab082
1345054ab462173
141b34dd23ad92a
15bc3abd5d2dd2
hex5cf5a54e64a2

102210110121122 has 4 divisors (see below), whose sum is σ = 153315165181686. Its totient is φ = 51105055060560.

The previous prime is 102210110121061. The next prime is 102210110121137. The reversal of 102210110121122 is 221121011012201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59621577693001 + 42588532428121 = 7721501^2 + 6525989^2 .

It is a super-3 number, since 3×1022101101211223 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 102210110121122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552527530279 + ... + 25552527530282.

Almost surely, 2102210110121122 is an apocalyptic number.

102210110121122 is a deficient number, since it is larger than the sum of its proper divisors (51105055060564).

102210110121122 is an equidigital number, since it uses as much as digits as its factorization.

102210110121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51105055060563.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102210110121122 its reverse (221121011012201), we get a palindrome (323331121133323).

The spelling of 102210110121122 in words is "one hundred two trillion, two hundred ten billion, one hundred ten million, one hundred twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 51105055060561 102210110121122