120120202100 has 36 divisors (see below), whose sum is σ = 274379834400. Its totient is φ = 45519233760.

The previous prime is 120120202093. The next prime is 120120202121. The reversal of 120120202100 is 1202021021.

It is a happy number.

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, 31608680 + ... + 31612479.

Almost surely, 2^120120202100 is an apocalyptic number.

120120202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120120202100 is an abundant number, since it is smaller than the sum of its proper divisors (154259632300).

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

120120202100 is a wasteful number, since it uses less digits than its factorization.

120120202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63221192 (or 63221185 counting only the distinct ones).

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

Adding to 120120202100 its reverse (1202021021), we get a palindrome (121322223121).

The spelling of 120120202100 in words is "one hundred twenty billion, one hundred twenty million, two hundred two thousand, one hundred".