11221114300021 has 32 divisors (see below), whose sum is σ = 11949612272640. Its totient is φ = 10506893439744.

The previous prime is 11221114300013. The next prime is 11221114300079. The reversal of 11221114300021 is 12000341112211.

It is not a de Polignac number, because 11221114300021 - 2³ = 11221114300013 is a prime.

It is a super-2 number, since 2×11221114300021² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221124300021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2448418896 + ... + 2448423478.

It is an arithmetic number, because the mean of its divisors is an integer number (373425383520).

Almost surely, 2^{11221114300021} is an apocalyptic number.

It is an amenable number.

11221114300021 is a deficient number, since it is larger than the sum of its proper divisors (728497972619).

11221114300021 is a wasteful number, since it uses less digits than its factorization.

11221114300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11221114300021 its reverse (12000341112211), we get a palindrome (23221455412232).

The spelling of 11221114300021 in words is "eleven trillion, two hundred twenty-one billion, one hundred fourteen million, three hundred thousand, twenty-one".