120021122010 has 64 divisors (see below), whose sum is σ = 293148352512. Its totient is φ = 31441836096.

The previous prime is 120021121939. The next prime is 120021122027. The reversal of 120021122010 is 10221120021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 656319 + ... + 819021.

It is an arithmetic number, because the mean of its divisors is an integer number (4580443008).

Almost surely, 2^120021122010 is an apocalyptic number.

120021122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120021122010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146574176256).

120021122010 is an abundant number, since it is smaller than the sum of its proper divisors (173127230502).

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

120021122010 is a wasteful number, since it uses less digits than its factorization.

120021122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163147.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120021122010 its reverse (10221120021), we get a palindrome (130242242031).

It can be divided in two parts, 1200211 and 22010, that added together give a palindrome (1222221).

The spelling of 120021122010 in words is "one hundred twenty billion, twenty-one million, one hundred twenty-two thousand, ten".