111020202113 has 4 divisors (see below), whose sum is σ = 111022188480. Its totient is φ = 111018215748.

The previous prime is 111020202109. The next prime is 111020202131. The reversal of 111020202113 is 311202020111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111020202113 - 2² = 111020202109 is a prime.

It is a super-2 number, since 2×111020202113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020202103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906845 + ... + 1021962.

It is an arithmetic number, because the mean of its divisors is an integer number (27755547120).

Almost surely, 2^111020202113 is an apocalyptic number.

It is an amenable number.

111020202113 is a deficient number, since it is larger than the sum of its proper divisors (1986367).

111020202113 is an equidigital number, since it uses as much as digits as its factorization.

111020202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986366.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111020202113 its reverse (311202020111), we get a palindrome (422222222224).

The spelling of 111020202113 in words is "one hundred eleven billion, twenty million, two hundred two thousand, one hundred thirteen".