120221002102100 has 36 divisors (see below), whose sum is σ = 260889351492000. Its totient is φ = 48086598641760.

The previous prime is 120221002102079. The next prime is 120221002102133. The reversal of 120221002102100 is 1201200122021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19844240 + ... + 25184039.

Almost surely, 2^{120221002102100} is an apocalyptic number.

120221002102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221002102100 is an abundant number, since it is smaller than the sum of its proper divisors (140668349389900).

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

120221002102100 is a wasteful number, since it uses less digits than its factorization.

120221002102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45054992 (or 45054985 counting only the distinct ones).

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

Adding to 120221002102100 its reverse (1201200122021), we get a palindrome (121422202224121).

The spelling of 120221002102100 in words is "one hundred twenty trillion, two hundred twenty-one billion, two million, one hundred two thousand, one hundred".