22121110421412 has 48 divisors (see below), whose sum is σ = 54340094807040. Its totient is φ = 6984644016672.

The previous prime is 22121110421387. The next prime is 22121110421413. The reversal of 22121110421412 is 21412401112122.

It is a super-3 number, since 3×22121110421412³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22121110421413) 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, 5087928 + ... + 8374319.

It is an arithmetic number, because the mean of its divisors is an integer number (1132085308480).

Almost surely, 2^{22121110421412} is an apocalyptic number.

It is an amenable number.

22121110421412 is an abundant number, since it is smaller than the sum of its proper divisors (32218984385628).

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

22121110421412 is a wasteful number, since it uses less digits than its factorization.

22121110421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13469480 (or 13469478 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 22121110421412 its reverse (21412401112122), we get a palindrome (43533511533534).

The spelling of 22121110421412 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred ten million, four hundred twenty-one thousand, four hundred twelve".