23221203102122 has 4 divisors (see below), whose sum is σ = 34831804653186. Its totient is φ = 11610601551060.

The previous prime is 23221203102103. The next prime is 23221203102157. The reversal of 23221203102122 is 22120130212232.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 18033518134921 + 5187684967201 = 4246589^2 + 2277649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805300775529 + ... + 5805300775532.

Almost surely, 2^{23221203102122} is an apocalyptic number.

23221203102122 is a deficient number, since it is larger than the sum of its proper divisors (11610601551064).

23221203102122 is a wasteful number, since it uses less digits than its factorization.

23221203102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11610601551063.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23221203102122 its reverse (22120130212232), we get a palindrome (45341333314354).

The spelling of 23221203102122 in words is "twenty-three trillion, two hundred twenty-one billion, two hundred three million, one hundred two thousand, one hundred twenty-two".