120202011100 has 18 divisors (see below), whose sum is σ = 260838364304. Its totient is φ = 48080804400.

The previous prime is 120202011071. The next prime is 120202011109. The reversal of 120202011100 is 1110202021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202011109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 601009956 + ... + 601010155.

Almost surely, 2^120202011100 is an apocalyptic number.

120202011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120202011100 is an abundant number, since it is smaller than the sum of its proper divisors (140636353204).

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

120202011100 is a wasteful number, since it uses less digits than its factorization.

120202011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202020125 (or 1202020118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120202011100 its reverse (1110202021), we get a palindrome (121312213121).

The spelling of 120202011100 in words is "one hundred twenty billion, two hundred two million, eleven thousand, one hundred".