121020102021104 has 40 divisors (see below), whose sum is σ = 275468833626672. Its totient is φ = 50777665182720.

The previous prime is 121020102021061. The next prime is 121020102021167. The reversal of 121020102021104 is 401120201020121.

It is a super-2 number, since 2×121020102021104² (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 7 ways as a sum of consecutive naturals, for example, 26446698329 + ... + 26446702904.

Almost surely, 2^{121020102021104} is an apocalyptic number.

It is an amenable number.

121020102021104 is an abundant number, since it is smaller than the sum of its proper divisors (154448731605568).

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

121020102021104 is a wasteful number, since it uses less digits than its factorization.

121020102021104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52893401265 (or 52893401259 counting only the distinct ones).

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

Adding to 121020102021104 its reverse (401120201020121), we get a palindrome (522140303041225).

The spelling of 121020102021104 in words is "one hundred twenty-one trillion, twenty billion, one hundred two million, twenty-one thousand, one hundred four".