111303020101 has 32 divisors (see below), whose sum is σ = 137584500480. Its totient is φ = 87681470976.

The previous prime is 111303020029. The next prime is 111303020123. The reversal of 111303020101 is 101020303111.

It is a cyclic number.

It is not a de Polignac number, because 111303020101 - 2⁹ = 111303019589 is a prime.

It is a super-2 number, since 2×111303020101² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111303020401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25543615 + ... + 25547971.

It is an arithmetic number, because the mean of its divisors is an integer number (4299515640).

Almost surely, 2^111303020101 is an apocalyptic number.

It is an amenable number.

111303020101 is a deficient number, since it is larger than the sum of its proper divisors (26281480379).

111303020101 is a wasteful number, since it uses less digits than its factorization.

111303020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 111303020101 its reverse (101020303111), we get a palindrome (212323323212).

The spelling of 111303020101 in words is "one hundred eleven billion, three hundred three million, twenty thousand, one hundred one".