22100321140442 has 8 divisors (see below), whose sum is σ = 33189345114996. Its totient is φ = 11037206102112.

The previous prime is 22100321140399. The next prime is 22100321140493. The reversal of 22100321140442 is 24404112300122.

It can be written as a sum of positive squares in 2 ways, for example, as 16747664096881 + 5352657043561 = 4092391^2 + 2313581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6477231923 + ... + 6477235334.

Almost surely, 2^{22100321140442} is an apocalyptic number.

22100321140442 is a deficient number, since it is larger than the sum of its proper divisors (11089023974554).

22100321140442 is a wasteful number, since it uses less digits than its factorization.

22100321140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12954468112.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 22100321140442 its reverse (24404112300122), we get a palindrome (46504433440564).

The spelling of 22100321140442 in words is "twenty-two trillion, one hundred billion, three hundred twenty-one million, one hundred forty thousand, four hundred forty-two".