101233012111 has 32 divisors (see below), whose sum is σ = 135566784000. Its totient is φ = 74731083840.

The previous prime is 101233012103. The next prime is 101233012117. The reversal of 101233012111 is 111210332101.

It is a happy number.

It is not a de Polignac number, because 101233012111 - 2³ = 101233012103 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 (101233012117) 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, 634390 + ... + 777763.

It is an arithmetic number, because the mean of its divisors is an integer number (4236462000).

Almost surely, 2^101233012111 is an apocalyptic number.

101233012111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101233012111 is a deficient number, since it is larger than the sum of its proper divisors (34333771889).

101233012111 is a wasteful number, since it uses less digits than its factorization.

101233012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412204 (or 1412190 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101233012111 its reverse (111210332101), we get a palindrome (212443344212).

The spelling of 101233012111 in words is "one hundred one billion, two hundred thirty-three million, twelve thousand, one hundred eleven".