120011020100 has 36 divisors (see below), whose sum is σ = 261103954944. Its totient is φ = 47879054880.

The previous prime is 120011020081. The next prime is 120011020109. The reversal of 120011020100 is 1020110021.

It is not an unprimeable number, because it can be changed into a prime (120011020109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1528424 + ... + 1605023.

Almost surely, 2^120011020100 is an apocalyptic number.

120011020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011020100 is an abundant number, since it is smaller than the sum of its proper divisors (141092934844).

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

120011020100 is a wasteful number, since it uses less digits than its factorization.

120011020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133844 (or 3133837 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 120011020100 its reverse (1020110021), we get a palindrome (121031130121).

The spelling of 120011020100 in words is "one hundred twenty billion, eleven million, twenty thousand, one hundred".