220121010220110 has 32 divisors (see below), whose sum is σ = 559366331854752. Its totient is φ = 55246057466880.

The previous prime is 220121010220091. The next prime is 220121010220117. The reversal of 220121010220110 is 11022010121022.

220121010220110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220121010220110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220121010220117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215804911471 + ... + 215804912490.

It is an arithmetic number, because the mean of its divisors is an integer number (17480197870461).

Almost surely, 2^{220121010220110} is an apocalyptic number.

220121010220110 is an abundant number, since it is smaller than the sum of its proper divisors (339245321634642).

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

220121010220110 is a wasteful number, since it uses less digits than its factorization.

220121010220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431609823988.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220121010220110 its reverse (11022010121022), we get a palindrome (231143020341132).

The spelling of 220121010220110 in words is "two hundred twenty trillion, one hundred twenty-one billion, ten million, two hundred twenty thousand, one hundred ten".