120021003110100 has 36 divisors (see below), whose sum is σ = 347260768999424. Its totient is φ = 32005600829280.

The previous prime is 120021003110069. The next prime is 120021003110119. The reversal of 120021003110100 is 1011300120021.

120021003110100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200035004884 + ... + 200035005483.

Almost surely, 2^{120021003110100} is an apocalyptic number.

120021003110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021003110100 is an abundant number, since it is smaller than the sum of its proper divisors (227239765889324).

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

120021003110100 is a wasteful number, since it uses less digits than its factorization.

120021003110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400070010384 (or 400070010377 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 120021003110100 its reverse (1011300120021), we get a palindrome (121032303230121).

The spelling of 120021003110100 in words is "one hundred twenty trillion, twenty-one billion, three million, one hundred ten thousand, one hundred".