221112010100311 has 32 divisors (see below), whose sum is σ = 244619749440000. Its totient is φ = 198191061740160.

The previous prime is 221112010100281. The next prime is 221112010100347. The reversal of 221112010100311 is 113001010211122.

It is a happy number.

221112010100311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221112010100311 - 2⁷ = 221112010100183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112010100711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515704620 + ... + 516133198.

It is an arithmetic number, because the mean of its divisors is an integer number (7644367170000).

Almost surely, 2^{221112010100311} is an apocalyptic number.

221112010100311 is a deficient number, since it is larger than the sum of its proper divisors (23507739339689).

221112010100311 is a wasteful number, since it uses less digits than its factorization.

221112010100311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430807.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 221112010100311 its reverse (113001010211122), we get a palindrome (334113020311433).

The spelling of 221112010100311 in words is "two hundred twenty-one trillion, one hundred twelve billion, ten million, one hundred thousand, three hundred eleven".