111023112101 has 6 divisors (see below), whose sum is σ = 122033668806. Its totient is φ = 100930101800.

The previous prime is 111023112073. The next prime is 111023112139. The reversal of 111023112101 is 101211320111.

It can be written as a sum of positive squares in only one way, i.e., 95311743076 + 15711369025 = 308726^2 + 125345^2 .

It is not a de Polignac number, because 111023112101 - 2¹⁸ = 111022849957 is a prime.

It is a super-2 number, since 2×111023112101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111023112401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 458773070 + ... + 458773311.

It is an arithmetic number, because the mean of its divisors is an integer number (20338944801).

Almost surely, 2^111023112101 is an apocalyptic number.

111023112101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111023112101 is a deficient number, since it is larger than the sum of its proper divisors (11010556705).

111023112101 is an equidigital number, since it uses as much as digits as its factorization.

111023112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917546403 (or 917546392 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111023112101 its reverse (101211320111), we get a palindrome (212234432212).

The spelling of 111023112101 in words is "one hundred eleven billion, twenty-three million, one hundred twelve thousand, one hundred one".