221111102012002 has 32 divisors (see below), whose sum is σ = 335552726995200. Its totient is φ = 109264147248000.

The previous prime is 221111102011997. The next prime is 221111102012081. The reversal of 221111102012002 is 200210201111122.

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, 4124487774 + ... + 4124541382.

It is an arithmetic number, because the mean of its divisors is an integer number (10486022718600).

Almost surely, 2^{221111102012002} is an apocalyptic number.

221111102012002 is a deficient number, since it is larger than the sum of its proper divisors (114441624983198).

221111102012002 is a wasteful number, since it uses less digits than its factorization.

221111102012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90042.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221111102012002 its reverse (200210201111122), we get a palindrome (421321303123124).

The spelling of 221111102012002 in words is "two hundred twenty-one trillion, one hundred eleven billion, one hundred two million, twelve thousand, two".