221112220010 has 32 divisors (see below), whose sum is σ = 434203725312. Its totient is φ = 80400790080.

The previous prime is 221112219953. The next prime is 221112220027. The reversal of 221112220010 is 10022211122.

It is a super-2 number, since 2×221112220010² (a number of 23 digits) contains 22 as substring.

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, 4039847 + ... + 4094213.

It is an arithmetic number, because the mean of its divisors is an integer number (13568866416).

Almost surely, 2^221112220010 is an apocalyptic number.

221112220010 is a deficient number, since it is larger than the sum of its proper divisors (213091505302).

221112220010 is a wasteful number, since it uses less digits than its factorization.

221112220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91358.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221112220010 its reverse (10022211122), we get a palindrome (231134431132).

It can be divided in two parts, 2211 and 12220010, that added together give a palindrome (12222221).

The spelling of 221112220010 in words is "two hundred twenty-one billion, one hundred twelve million, two hundred twenty thousand, ten".