120101011020100 has 108 divisors (see below), whose sum is σ = 289777444462800. Its totient is φ = 42849073155200.

The previous prime is 120101011020079. The next prime is 120101011020197. The reversal of 120101011020100 is 1020110101021.

120101011020100 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 (10).

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, 16344550 + ... + 22524349.

Almost surely, 2^{120101011020100} is an apocalyptic number.

120101011020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101011020100 is an abundant number, since it is smaller than the sum of its proper divisors (169676433442700).

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

120101011020100 is a wasteful number, since it uses less digits than its factorization.

120101011020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38869030 (or 38868970 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120101011020100 its reverse (1020110101021), we get a palindrome (121121121121121).

The spelling of 120101011020100 in words is "one hundred twenty trillion, one hundred one billion, eleven million, twenty thousand, one hundred".