201233113111 has 2 divisors, whose sum is σ = 201233113112. Its totient is φ = 201233113110.

The previous prime is 201233113097. The next prime is 201233113117. The reversal of 201233113111 is 111311332102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201233113111 - 2⁵ = 201233113079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201233113117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100616556555 + 100616556556.

It is an arithmetic number, because the mean of its divisors is an integer number (100616556556).

Almost surely, 2^201233113111 is an apocalyptic number.

201233113111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201233113111 is an equidigital number, since it uses as much as digits as its factorization.

201233113111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 201233113111 its reverse (111311332102), we get a palindrome (312544445213).

The spelling of 201233113111 in words is "two hundred one billion, two hundred thirty-three million, one hundred thirteen thousand, one hundred eleven".