110221432220 has 24 divisors (see below), whose sum is σ = 245080597104. Its totient is φ = 41495127296.

The previous prime is 110221432159. The next prime is 110221432241. The reversal of 110221432220 is 22234122011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 110221432192 and 110221432201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162090002 + ... + 162090681.

It is an arithmetic number, because the mean of its divisors is an integer number (10211691546).

Almost surely, 2^110221432220 is an apocalyptic number.

110221432220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221432220 is an abundant number, since it is smaller than the sum of its proper divisors (134859164884).

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

110221432220 is a wasteful number, since it uses less digits than its factorization.

110221432220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324180709 (or 324180707 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 110221432220 its reverse (22234122011), we get a palindrome (132455554231).

The spelling of 110221432220 in words is "one hundred ten billion, two hundred twenty-one million, four hundred thirty-two thousand, two hundred twenty".