22121013143000 has 64 divisors (see below), whose sum is σ = 51765011737920. Its totient is φ = 8848090560000.

The previous prime is 22121013142897. The next prime is 22121013143011. The reversal of 22121013143000 is 34131012122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28822229 + ... + 29579771.

It is an arithmetic number, because the mean of its divisors is an integer number (808828308405).

Almost surely, 2^{22121013143000} is an apocalyptic number.

22121013143000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121013143000 is an abundant number, since it is smaller than the sum of its proper divisors (29643998594920).

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

22121013143000 is a wasteful number, since it uses less digits than its factorization.

22121013143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786765 (or 786751 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22121013143000 its reverse (34131012122), we get a palindrome (22155144155122).

The spelling of 22121013143000 in words is "twenty-two trillion, one hundred twenty-one billion, thirteen million, one hundred forty-three thousand".