11112200011021 has 16 divisors (see below), whose sum is σ = 11713236796800. Its totient is φ = 10512785976768.

The previous prime is 11112200011013. The next prime is 11112200011037. The reversal of 11112200011021 is 12011000221111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11112200011021 - 2³ = 11112200011013 is a prime.

It is a super-2 number, since 2×11112200011021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11112200010992 and 11112200011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112200011051) 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, 97971675 + ... + 98085031.

It is an arithmetic number, because the mean of its divisors is an integer number (732077299800).

Almost surely, 2^{11112200011021} is an apocalyptic number.

It is an amenable number.

11112200011021 is a deficient number, since it is larger than the sum of its proper divisors (601036785779).

11112200011021 is a wasteful number, since it uses less digits than its factorization.

11112200011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120468.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11112200011021 its reverse (12011000221111), we get a palindrome (23123200232132).

The spelling of 11112200011021 in words is "eleven trillion, one hundred twelve billion, two hundred million, eleven thousand, twenty-one".