1111101113021 has 16 divisors (see below), whose sum is σ = 1138145592960. Its totient is φ = 1084425101760.

The previous prime is 1111101112999. The next prime is 1111101113063. The reversal of 1111101113021 is 1203111011111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111101113021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111101112987 and 1111101113005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111101113071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2813270 + ... + 3183816.

It is an arithmetic number, because the mean of its divisors is an integer number (71134099560).

Almost surely, 2^{1111101113021} is an apocalyptic number.

It is an amenable number.

1111101113021 is a deficient number, since it is larger than the sum of its proper divisors (27044479939).

1111101113021 is a wasteful number, since it uses less digits than its factorization.

1111101113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371044.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 1111101113021 its reverse (1203111011111), we get a palindrome (2314212124132).

The spelling of 1111101113021 in words is "one trillion, one hundred eleven billion, one hundred one million, one hundred thirteen thousand, twenty-one".