221303401122 has 16 divisors (see below), whose sum is σ = 442626573600. Its totient is φ = 73764505152.

The previous prime is 221303401097. The next prime is 221303401133. The reversal of 221303401122 is 221104303122.

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, 676263 + ... + 948650.

It is an arithmetic number, because the mean of its divisors is an integer number (27664160850).

Almost surely, 2^221303401122 is an apocalyptic number.

221303401122 is an abundant number, since it is smaller than the sum of its proper divisors (221323172478).

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

221303401122 is a wasteful number, since it uses less digits than its factorization.

221303401122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647617.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 221303401122 its reverse (221104303122), we get a palindrome (442407704244).

The spelling of 221303401122 in words is "two hundred twenty-one billion, three hundred three million, four hundred one thousand, one hundred twenty-two".