121020200122112 has 36 divisors (see below), whose sum is σ = 246125545588440. Its totient is φ = 59368400053248.

The previous prime is 121020200122109. The next prime is 121020200122193. The reversal of 121020200122112 is 211221002020121.

It is a super-2 number, since 2×121020200122112² (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 3 ways as a sum of consecutive naturals, for example, 4459752062 + ... + 4459779197.

It is an arithmetic number, because the mean of its divisors is an integer number (6836820710790).

Almost surely, 2^{121020200122112} is an apocalyptic number.

It is an amenable number.

121020200122112 is an abundant number, since it is smaller than the sum of its proper divisors (125105345466328).

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

121020200122112 is an frugal number, since it uses more digits than its factorization.

121020200122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8919531328 (or 8919531314 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121020200122112 its reverse (211221002020121), we get a palindrome (332241202142233).

The spelling of 121020200122112 in words is "one hundred twenty-one trillion, twenty billion, two hundred million, one hundred twenty-two thousand, one hundred twelve".