121123001010102 has 48 divisors (see below), whose sum is σ = 303473013529392. Its totient is φ = 31944527737920.

The previous prime is 121123001010073. The next prime is 121123001010127. The reversal of 121123001010102 is 201010100321121.

It is a super-2 number, since 2×121123001010102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15845496049 + ... + 15845503692.

It is an arithmetic number, because the mean of its divisors is an integer number (6322354448529).

Almost surely, 2^{121123001010102} is an apocalyptic number.

121123001010102 is an abundant number, since it is smaller than the sum of its proper divisors (182350012519290).

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

121123001010102 is a wasteful number, since it uses less digits than its factorization.

121123001010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31690999773 (or 31690999766 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121123001010102 its reverse (201010100321121), we get a palindrome (322133101331223).

The spelling of 121123001010102 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, one million, ten thousand, one hundred two".