120222100100 has 36 divisors (see below), whose sum is σ = 265158724068. Its totient is φ = 47300496000.

The previous prime is 120222100073. The next prime is 120222100121. The reversal of 120222100100 is 1001222021.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5543695936 + 114678404164 = 74456^2 + 338642^2 .

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, 9848171 + ... + 9860370.

It is an arithmetic number, because the mean of its divisors is an integer number (7365520113).

Almost surely, 2^120222100100 is an apocalyptic number.

120222100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120222100100 is an abundant number, since it is smaller than the sum of its proper divisors (144936623968).

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

120222100100 is a wasteful number, since it uses less digits than its factorization.

120222100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19708616 (or 19708609 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120222100100 its reverse (1001222021), we get a palindrome (121223322121).

The spelling of 120222100100 in words is "one hundred twenty billion, two hundred twenty-two million, one hundred thousand, one hundred".