120022100100 has 108 divisors (see below), whose sum is σ = 429945856704. Its totient is φ = 27433621440.

The previous prime is 120022100087. The next prime is 120022100153. The reversal of 120022100100 is 1001220021.

It is a super-3 number, since 3×120022100100³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9519264 + ... + 9531863.

Almost surely, 2^120022100100 is an apocalyptic number.

120022100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120022100100 is an abundant number, since it is smaller than the sum of its proper divisors (309923756604).

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

120022100100 is a wasteful number, since it uses less digits than its factorization.

120022100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19051154 (or 19051144 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120022100100 its reverse (1001220021), we get a palindrome (121023320121).

The spelling of 120022100100 in words is "one hundred twenty billion, twenty-two million, one hundred thousand, one hundred".