20223121021242 has 8 divisors (see below), whose sum is σ = 40446242042496. Its totient is φ = 6741040340412.

The previous prime is 20223121021219. The next prime is 20223121021297. The reversal of 20223121021242 is 24212012132202.

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

20223121021242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685260085098 + ... + 1685260085109.

It is an arithmetic number, because the mean of its divisors is an integer number (5055780255312).

Almost surely, 2^{20223121021242} is an apocalyptic number.

20223121021242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20223121021242 is a wasteful number, since it uses less digits than its factorization.

20223121021242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370520170212.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20223121021242 its reverse (24212012132202), we get a palindrome (44435133153444).

The spelling of 20223121021242 in words is "twenty trillion, two hundred twenty-three billion, one hundred twenty-one million, twenty-one thousand, two hundred forty-two".