120222222222100 has 144 divisors (see below), whose sum is σ = 268258061385216. Its totient is φ = 46753746480000.

The previous prime is 120222222222031. The next prime is 120222222222197. The reversal of 120222222222100 is 1222222222021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133654855 + ... + 134551345.

It is an arithmetic number, because the mean of its divisors is an integer number (1862903204064).

Almost surely, 2^{120222222222100} is an apocalyptic number.

120222222222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120222222222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134129030692608).

120222222222100 is an abundant number, since it is smaller than the sum of its proper divisors (148035839163116).

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

120222222222100 is a wasteful number, since it uses less digits than its factorization.

120222222222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896846 (or 896839 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 120222222222100 its reverse (1222222222021), we get a palindrome (121444444444121).

The spelling of 120222222222100 in words is "one hundred twenty trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred".