220121101202110 has 32 divisors (see below), whose sum is σ = 396276150340512. Its totient is φ = 88035515258880.

The previous prime is 220121101202083. The next prime is 220121101202129. The reversal of 220121101202110 is 11202101121022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2206434630 + ... + 2206534390.

It is an arithmetic number, because the mean of its divisors is an integer number (12383629698141).

Almost surely, 2^{220121101202110} is an apocalyptic number.

220121101202110 is a deficient number, since it is larger than the sum of its proper divisors (176155049138402).

220121101202110 is a wasteful number, since it uses less digits than its factorization.

220121101202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129948.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220121101202110 its reverse (11202101121022), we get a palindrome (231323202323132).

The spelling of 220121101202110 in words is "two hundred twenty trillion, one hundred twenty-one billion, one hundred one million, two hundred two thousand, one hundred ten".