220121100100110 has 32 divisors (see below), whose sum is σ = 576317062081152. Its totient is φ = 53362690933280.

The previous prime is 220121100100103. The next prime is 220121100100159. The reversal of 220121100100110 is 11001001121022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333516818004 + ... + 333516818663.

It is an arithmetic number, because the mean of its divisors is an integer number (18009908190036).

Almost surely, 2^{220121100100110} is an apocalyptic number.

220121100100110 is an abundant number, since it is smaller than the sum of its proper divisors (356195961981042).

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

220121100100110 is a wasteful number, since it uses less digits than its factorization.

220121100100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667033636688.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 220121100100110 its reverse (11001001121022), we get a palindrome (231122101221132).

The spelling of 220121100100110 in words is "two hundred twenty trillion, one hundred twenty-one billion, one hundred million, one hundred thousand, one hundred ten".