221111002200122 has 16 divisors (see below), whose sum is σ = 333503428108032. Its totient is φ = 109943209362960.

The previous prime is 221111002200091. The next prime is 221111002200139. The reversal of 221111002200122 is 221002200111122.

It is a self number, because there is not a number n which added to its sum of digits gives 221111002200122.

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, 22897583 + ... + 31088925.

It is an arithmetic number, because the mean of its divisors is an integer number (20843964256752).

Almost surely, 2^{221111002200122} is an apocalyptic number.

221111002200122 is a deficient number, since it is larger than the sum of its proper divisors (112392425907910).

221111002200122 is a wasteful number, since it uses less digits than its factorization.

221111002200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8266093.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221111002200122 its reverse (221002200111122), we get a palindrome (442113202311244).

The spelling of 221111002200122 in words is "two hundred twenty-one trillion, one hundred eleven billion, two million, two hundred thousand, one hundred twenty-two".