102022131130440 has 64 divisors (see below), whose sum is σ = 309037911811200. Its totient is φ = 26941766664192.

The previous prime is 102022131130399. The next prime is 102022131130459. The reversal of 102022131130440 is 44031131220201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102022131130440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4127096505 + ... + 4127121224.

It is an arithmetic number, because the mean of its divisors is an integer number (4828717372050).

Almost surely, 2^{102022131130440} is an apocalyptic number.

102022131130440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102022131130440 is an abundant number, since it is smaller than the sum of its proper divisors (207015780680760).

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

102022131130440 is a wasteful number, since it uses less digits than its factorization.

102022131130440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254217846 (or 8254217842 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 102022131130440 its reverse (44031131220201), we get a palindrome (146053262350641).

The spelling of 102022131130440 in words is "one hundred two trillion, twenty-two billion, one hundred thirty-one million, one hundred thirty thousand, four hundred forty".