120020012121102 has 32 divisors (see below), whose sum is σ = 258467822726400. Its totient is φ = 37015144979328.

The previous prime is 120020012121083. The next prime is 120020012121137. The reversal of 120020012121102 is 201121210020021.

It is a super-2 number, since 2×120020012121102² (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, 9971746402 + ... + 9971758437.

It is an arithmetic number, because the mean of its divisors is an integer number (8077119460200).

Almost surely, 2^{120020012121102} is an apocalyptic number.

120020012121102 is an abundant number, since it is smaller than the sum of its proper divisors (138447810605298).

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

120020012121102 is a wasteful number, since it uses less digits than its factorization.

120020012121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19943504920.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120020012121102 its reverse (201121210020021), we get a palindrome (321141222141123).

The spelling of 120020012121102 in words is "one hundred twenty trillion, twenty billion, twelve million, one hundred twenty-one thousand, one hundred two".