11112110102021 has 16 divisors (see below), whose sum is σ = 12282564066048. Its totient is φ = 9999466963200.

The previous prime is 11112110101973. The next prime is 11112110102047. The reversal of 11112110102021 is 12020101121111.

It is a cyclic number.

It is not a de Polignac number, because 11112110102021 - 2²² = 11112105907717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112110101987 and 11112110102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112110102221) 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, 5154665 + ... + 6985326.

It is an arithmetic number, because the mean of its divisors is an integer number (767660254128).

Almost surely, 2^{11112110102021} is an apocalyptic number.

It is an amenable number.

11112110102021 is a deficient number, since it is larger than the sum of its proper divisors (1170453964027).

11112110102021 is a wasteful number, since it uses less digits than its factorization.

11112110102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12142372.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11112110102021 its reverse (12020101121111), we get a palindrome (23132211223132).

The spelling of 11112110102021 in words is "eleven trillion, one hundred twelve billion, one hundred ten million, one hundred two thousand, twenty-one".