22121230202342 has 8 divisors (see below), whose sum is σ = 33185436051432. Its totient is φ = 11059418185200.

The previous prime is 22121230202261. The next prime is 22121230202347. The reversal of 22121230202342 is 24320203212122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121230202347) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 598434884 + ... + 598471847.

It is an arithmetic number, because the mean of its divisors is an integer number (4148179506429).

Almost surely, 2^{22121230202342} is an apocalyptic number.

22121230202342 is a deficient number, since it is larger than the sum of its proper divisors (11064205849090).

22121230202342 is a wasteful number, since it uses less digits than its factorization.

22121230202342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196915974.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 22121230202342 its reverse (24320203212122), we get a palindrome (46441433414464).

The spelling of 22121230202342 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred thirty million, two hundred two thousand, three hundred forty-two".