121021102121012 has 48 divisors (see below), whose sum is σ = 213936781968000. Its totient is φ = 59899960028160.

The previous prime is 121021102120991. The next prime is 121021102121033. The reversal of 121021102121012 is 210121201120121.

It is an interprime number because it is at equal distance from previous prime (121021102120991) and next prime (121021102121033).

It is a super-2 number, since 2×121021102121012² (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 15 ways as a sum of consecutive naturals, for example, 180388364 + ... + 181058012.

It is an arithmetic number, because the mean of its divisors is an integer number (4457016291000).

Almost surely, 2^{121021102121012} is an apocalyptic number.

It is an amenable number.

121021102121012 is a deficient number, since it is larger than the sum of its proper divisors (92915679846988).

121021102121012 is a wasteful number, since it uses less digits than its factorization.

121021102121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671016 (or 671014 counting only the distinct ones).

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

Adding to 121021102121012 its reverse (210121201120121), we get a palindrome (331142303241133).

The spelling of 121021102121012 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred two million, one hundred twenty-one thousand, twelve".