22100121412 has 24 divisors (see below), whose sum is σ = 40364356032. Its totient is φ = 10567629600.

The previous prime is 22100121361. The next prime is 22100121413. The reversal of 22100121412 is 21412100122.

It is not an unprimeable number, because it can be changed into a prime (22100121413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544462 + ... + 583642.

It is an arithmetic number, because the mean of its divisors is an integer number (1681848168).

Almost surely, 2^22100121412 is an apocalyptic number.

It is an amenable number.

22100121412 is a deficient number, since it is larger than the sum of its proper divisors (18264234620).

22100121412 is a wasteful number, since it uses less digits than its factorization.

22100121412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45339 (or 45337 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22100121412 its reverse (21412100122), we get a palindrome (43512221534).

The spelling of 22100121412 in words is "twenty-two billion, one hundred million, one hundred twenty-one thousand, four hundred twelve".