102221234440140 has 96 divisors (see below), whose sum is σ = 290759043294720. Its totient is φ = 26827999027200.

The previous prime is 102221234440133. The next prime is 102221234440141. The reversal of 102221234440140 is 41044432122201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 102221234440098 and 102221234440107.

It is not an unprimeable number, because it can be changed into a prime (102221234440141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18579445 + ... + 23444364.

It is an arithmetic number, because the mean of its divisors is an integer number (3028740034320).

Almost surely, 2^{102221234440140} is an apocalyptic number.

102221234440140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221234440140 is an abundant number, since it is smaller than the sum of its proper divisors (188537808854580).

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

102221234440140 is a wasteful number, since it uses less digits than its factorization.

102221234440140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42024463 (or 42024461 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 102221234440140 its reverse (41044432122201), we get a palindrome (143265666562341).

The spelling of 102221234440140 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred thirty-four million, four hundred forty thousand, one hundred forty".