221123402322022 has 16 divisors (see below), whose sum is σ = 331852869792144. Its totient is φ = 110505780000000.

The previous prime is 221123402321957. The next prime is 221123402322071. The reversal of 221123402322022 is 220223204321122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928967022 + ... + 929205022.

It is an arithmetic number, because the mean of its divisors is an integer number (20740804362009).

Almost surely, 2^{221123402322022} is an apocalyptic number.

221123402322022 is a deficient number, since it is larger than the sum of its proper divisors (110729467470122).

221123402322022 is a wasteful number, since it uses less digits than its factorization.

221123402322022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471015.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 221123402322022 its reverse (220223204321122), we get a palindrome (441346606643144).

The spelling of 221123402322022 in words is "two hundred twenty-one trillion, one hundred twenty-three billion, four hundred two million, three hundred twenty-two thousand, twenty-two".