22221135513412 has 96 divisors (see below), whose sum is σ = 45278536343040. Its totient is φ = 9430035264000.

The previous prime is 22221135513397. The next prime is 22221135513427. The reversal of 22221135513412 is 21431553112222.

It is an interprime number because it is at equal distance from previous prime (22221135513397) and next prime (22221135513427).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252667087 + ... + 252755017.

It is an arithmetic number, because the mean of its divisors is an integer number (471651420240).

Almost surely, 2^{22221135513412} is an apocalyptic number.

22221135513412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22221135513412 is an abundant number, since it is smaller than the sum of its proper divisors (23057400829628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22221135513412 is a wasteful number, since it uses less digits than its factorization.

22221135513412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90673 (or 90671 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

Adding to 22221135513412 its reverse (21431553112222), we get a palindrome (43652688625634).

The spelling of 22221135513412 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred thirty-five million, five hundred thirteen thousand, four hundred twelve".