111010002101001 has 48 divisors (see below), whose sum is σ = 164053693440000. Its totient is φ = 72311511547104.

The previous prime is 111010002100969. The next prime is 111010002101059. The reversal of 111010002101001 is 100101200010111.

It is not a de Polignac number, because 111010002101001 - 2⁵ = 111010002100969 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (111010002101071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1541791000 + ... + 1541862998.

It is an arithmetic number, because the mean of its divisors is an integer number (3417785280000).

Almost surely, 2^{111010002101001} is an apocalyptic number.

It is an amenable number.

111010002101001 is a deficient number, since it is larger than the sum of its proper divisors (53043691338999).

111010002101001 is a wasteful number, since it uses less digits than its factorization.

111010002101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89618 (or 89615 counting only the distinct ones).

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

Adding to 111010002101001 its reverse (100101200010111), we get a palindrome (211111202111112).

The spelling of 111010002101001 in words is "one hundred eleven trillion, ten billion, two million, one hundred one thousand, one".