20232121222 has 4 divisors (see below), whose sum is σ = 30348181836. Its totient is φ = 10116060610.

The previous prime is 20232121171. The next prime is 20232121241. The reversal of 20232121222 is 22212123202.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20232121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5058030304 + ... + 5058030307.

It is an arithmetic number, because the mean of its divisors is an integer number (7587045459).

Almost surely, 2^20232121222 is an apocalyptic number.

20232121222 is a deficient number, since it is larger than the sum of its proper divisors (10116060614).

20232121222 is a wasteful number, since it uses less digits than its factorization.

20232121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116060613.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20232121222 its reverse (22212123202), we get a palindrome (42444244424).

The spelling of 20232121222 in words is "twenty billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-two".