120221210122100 has 72 divisors (see below), whose sum is σ = 264760392167040. Its totient is φ = 47375873176320.

The previous prime is 120221210122093. The next prime is 120221210122127. The reversal of 120221210122100 is 1221012122021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13039454 + ... + 20260053.

Almost surely, 2^{120221210122100} is an apocalyptic number.

120221210122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221210122100 is an abundant number, since it is smaller than the sum of its proper divisors (144539182044940).

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

120221210122100 is a wasteful number, since it uses less digits than its factorization.

120221210122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33300057 (or 33300050 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120221210122100 its reverse (1221012122021), we get a palindrome (121442222244121).

The spelling of 120221210122100 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, one hundred".