102121022221120 has 112 divisors (see below), whose sum is σ = 278100477072000. Its totient is φ = 34989563234304.

The previous prime is 102121022221109. The next prime is 102121022221133. The reversal of 102121022221120 is 21122220121201.

It is a tau number, because it is divible by the number of its divisors (112).

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, 11848959 + ... + 18564478.

Almost surely, 2^{102121022221120} is an apocalyptic number.

102121022221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102121022221120 is an abundant number, since it is smaller than the sum of its proper divisors (175979454850880).

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

102121022221120 is a wasteful number, since it uses less digits than its factorization.

102121022221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30414960 (or 30414950 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102121022221120 its reverse (21122220121201), we get a palindrome (123243242342321).

The spelling of 102121022221120 in words is "one hundred two trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty".