111002010111 has 12 divisors (see below), whose sum is σ = 160546938240. Its totient is φ = 73904093280.

The previous prime is 111002010089. The next prime is 111002010131. The reversal of 111002010111 is 111010200111.

It is not a de Polignac number, because 111002010111 - 2¹³ = 111002001919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111002010093 and 111002010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002010131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8096671 + ... + 8110368.

It is an arithmetic number, because the mean of its divisors is an integer number (13378911520).

Almost surely, 2^111002010111 is an apocalyptic number.

111002010111 is a deficient number, since it is larger than the sum of its proper divisors (49544928129).

111002010111 is a wasteful number, since it uses less digits than its factorization.

111002010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16207806 (or 16207803 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 111002010111 its reverse (111010200111), we get a palindrome (222012210222).

The spelling of 111002010111 in words is "one hundred eleven billion, two million, ten thousand, one hundred eleven".