120221100202100 has 36 divisors (see below), whose sum is σ = 260880732252000. Its totient is φ = 48088265921760.

The previous prime is 120221100202087. The next prime is 120221100202103. The reversal of 120221100202100 is 1202001122021.

It is a super-2 number, since 2×120221100202100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221100202103) 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, 27599051 + ... + 31656749.

It is an arithmetic number, because the mean of its divisors is an integer number (7246687007000).

Almost surely, 2^{120221100202100} is an apocalyptic number.

120221100202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221100202100 is an abundant number, since it is smaller than the sum of its proper divisors (140659632049900).

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

120221100202100 is a wasteful number, since it uses less digits than its factorization.

120221100202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353992 (or 4353985 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120221100202100 its reverse (1202001122021), we get a palindrome (121423101324121).

The spelling of 120221100202100 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred million, two hundred two thousand, one hundred".