220121330333100 has 72 divisors (see below), whose sum is σ = 727867865641728. Its totient is φ = 50313446932800.

The previous prime is 220121330333063. The next prime is 220121330333159. The reversal of 220121330333100 is 1333033121022.

It is a super-2 number, since 2×220121330333100² (a number of 29 digits) contains 22 as substring.

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, 52409838456 + ... + 52409842655.

Almost surely, 2^{220121330333100} is an apocalyptic number.

220121330333100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220121330333100 is an abundant number, since it is smaller than the sum of its proper divisors (507746535308628).

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

220121330333100 is a wasteful number, since it uses less digits than its factorization.

220121330333100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104819681135 (or 104819681128 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 220121330333100 its reverse (1333033121022), we get a palindrome (221454363454122).

The spelling of 220121330333100 in words is "two hundred twenty trillion, one hundred twenty-one billion, three hundred thirty million, three hundred thirty-three thousand, one hundred".