102201210021122 has 8 divisors (see below), whose sum is σ = 153341356393596. Its totient is φ = 51087424556592.

The previous prime is 102201210021107. The next prime is 102201210021167. The reversal of 102201210021122 is 221120012102201.

It can be written as a sum of positive squares in 2 ways, for example, as 94992527380921 + 7208682640201 = 9746411^2 + 2684899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×102201210021122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102201210021122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6590217293 + ... + 6590232800.

Almost surely, 2^{102201210021122} is an apocalyptic number.

102201210021122 is a deficient number, since it is larger than the sum of its proper divisors (51140146372474).

102201210021122 is a wasteful number, since it uses less digits than its factorization.

102201210021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13180453972.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102201210021122 its reverse (221120012102201), we get a palindrome (323321222123323).

The spelling of 102201210021122 in words is "one hundred two trillion, two hundred one billion, two hundred ten million, twenty-one thousand, one hundred twenty-two".