221002202112022 has 4 divisors (see below), whose sum is σ = 331503303168036. Its totient is φ = 110501101056010.

The previous prime is 221002202111969. The next prime is 221002202112053. The reversal of 221002202112022 is 220211202200122.

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

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, 55250550528004 + ... + 55250550528007.

It is an arithmetic number, because the mean of its divisors is an integer number (82875825792009).

Almost surely, 2^{221002202112022} is an apocalyptic number.

221002202112022 is a deficient number, since it is larger than the sum of its proper divisors (110501101056014).

221002202112022 is a wasteful number, since it uses less digits than its factorization.

221002202112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110501101056013.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221002202112022 its reverse (220211202200122), we get a palindrome (441213404312144).

The spelling of 221002202112022 in words is "two hundred twenty-one trillion, two billion, two hundred two million, one hundred twelve thousand, twenty-two".