121020122120 has 64 divisors (see below), whose sum is σ = 287731008000. Its totient is φ = 45717205248.

The previous prime is 121020122081. The next prime is 121020122123. The reversal of 121020122120 is 21221020121.

121020122120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121020122095 and 121020122104.

It is not an unprimeable number, because it can be changed into a prime (121020122123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759875 + ... + 905234.

It is an arithmetic number, because the mean of its divisors is an integer number (4495797000).

Almost surely, 2^121020122120 is an apocalyptic number.

121020122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121020122120 is an abundant number, since it is smaller than the sum of its proper divisors (166710885880).

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

121020122120 is a wasteful number, since it uses less digits than its factorization.

121020122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665222 (or 1665218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121020122120 its reverse (21221020121), we get a palindrome (142241142241).

It can be divided in two parts, 1210201 and 22120, that added together give a palindrome (1232321).

The spelling of 121020122120 in words is "one hundred twenty-one billion, twenty million, one hundred twenty-two thousand, one hundred twenty".