22142131211400 has 48 divisors (see below), whose sum is σ = 68640606757200. Its totient is φ = 5904568322880.

The previous prime is 22142131211381. The next prime is 22142131211449. The reversal of 22142131211400 is 411213124122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18451775410 + ... + 18451776609.

It is an arithmetic number, because the mean of its divisors is an integer number (1430012640775).

Almost surely, 2^{22142131211400} is an apocalyptic number.

22142131211400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22142131211400 is an abundant number, since it is smaller than the sum of its proper divisors (46498475545800).

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

22142131211400 is a wasteful number, since it uses less digits than its factorization.

22142131211400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36903552038 (or 36903552029 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 22142131211400 its reverse (411213124122), we get a palindrome (22553344335522).

The spelling of 22142131211400 in words is "twenty-two trillion, one hundred forty-two billion, one hundred thirty-one million, two hundred eleven thousand, four hundred".