120021211030 has 24 divisors (see below), whose sum is σ = 251309720448. Its totient is φ = 41150129328.

The previous prime is 120021211001. The next prime is 120021211049. The reversal of 120021211030 is 30112120021.

It is a self number, because there is not a number n which added to its sum of digits gives 120021211030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122470134 + ... + 122471113.

It is an arithmetic number, because the mean of its divisors is an integer number (10471238352).

Almost surely, 2^120021211030 is an apocalyptic number.

120021211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021211030 is an abundant number, since it is smaller than the sum of its proper divisors (131288509418).

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

120021211030 is a wasteful number, since it uses less digits than its factorization.

120021211030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244941268 (or 244941261 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120021211030 its reverse (30112120021), we get a palindrome (150133331051).

The spelling of 120021211030 in words is "one hundred twenty billion, twenty-one million, two hundred eleven thousand, thirty".