221010022211012 has 12 divisors (see below), whose sum is σ = 386780495680656. Its totient is φ = 110501309159400.

The previous prime is 221010022210987. The next prime is 221010022211129. The reversal of 221010022211012 is 210112220010122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925352198 + ... + 925591005.

It is an arithmetic number, because the mean of its divisors is an integer number (32231707973388).

Almost surely, 2^{221010022211012} is an apocalyptic number.

It is an amenable number.

221010022211012 is a deficient number, since it is larger than the sum of its proper divisors (165770473469644).

221010022211012 is a wasteful number, since it uses less digits than its factorization.

221010022211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850973058 (or 1850973056 counting only the distinct ones).

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

Adding to 221010022211012 its reverse (210112220010122), we get a palindrome (431122242221134).

The spelling of 221010022211012 in words is "two hundred twenty-one trillion, ten billion, twenty-two million, two hundred eleven thousand, twelve".