221012302332311 has 48 divisors (see below), whose sum is σ = 262117062720000. Its totient is φ = 185758825371840.

The previous prime is 221012302332281. The next prime is 221012302332373. The reversal of 221012302332311 is 113233203210122.

It is not a de Polignac number, because 221012302332311 - 2⁶ = 221012302332247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221017302332311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3797498390 + ... + 3797556588.

It is an arithmetic number, because the mean of its divisors is an integer number (5460772140000).

Almost surely, 2^{221012302332311} is an apocalyptic number.

221012302332311 is a deficient number, since it is larger than the sum of its proper divisors (41104760387689).

221012302332311 is a wasteful number, since it uses less digits than its factorization.

221012302332311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62172 (or 62165 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 221012302332311 its reverse (113233203210122), we get a palindrome (334245505542433).

The spelling of 221012302332311 in words is "two hundred twenty-one trillion, twelve billion, three hundred two million, three hundred thirty-two thousand, three hundred eleven".