201023310232111 has 2 divisors, whose sum is σ = 201023310232112. Its totient is φ = 201023310232110.

The previous prime is 201023310232109. The next prime is 201023310232219. The reversal of 201023310232111 is 111232013320102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201023310232111 - 2¹ = 201023310232109 is a prime.

Together with 201023310232109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201023310239111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100511655116055 + 100511655116056.

It is an arithmetic number, because the mean of its divisors is an integer number (100511655116056).

Almost surely, 2^{201023310232111} is an apocalyptic number.

201023310232111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201023310232111 is an equidigital number, since it uses as much as digits as its factorization.

201023310232111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201023310232111 its reverse (111232013320102), we get a palindrome (312255323552213).

The spelling of 201023310232111 in words is "two hundred one trillion, twenty-three billion, three hundred ten million, two hundred thirty-two thousand, one hundred eleven".