202201110122101 has 4 divisors (see below), whose sum is σ = 202217015201292. Its totient is φ = 202185205042912.

The previous prime is 202201110122047. The next prime is 202201110122129. The reversal of 202201110122101 is 101221011102202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 99571060960900 + 102630049161201 = 9978530^2 + 10130649^2 .

It is a cyclic number.

It is not a de Polignac number, because 202201110122101 - 2²³ = 202201101733493 is a prime.

It is a super-2 number, since 2×202201110122101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201110122801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7952520526 + ... + 7952545951.

It is an arithmetic number, because the mean of its divisors is an integer number (50554253800323).

Almost surely, 2^{202201110122101} is an apocalyptic number.

It is an amenable number.

202201110122101 is a deficient number, since it is larger than the sum of its proper divisors (15905079191).

202201110122101 is a wasteful number, since it uses less digits than its factorization.

202201110122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15905079190.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202201110122101 its reverse (101221011102202), we get a palindrome (303422121224303).

The spelling of 202201110122101 in words is "two hundred two trillion, two hundred one billion, one hundred ten million, one hundred twenty-two thousand, one hundred one".