102121201021022 has 16 divisors (see below), whose sum is σ = 161262036373200. Its totient is φ = 48367790055360.

The previous prime is 102121201021019. The next prime is 102121201021129. The reversal of 102121201021022 is 220120102121201.

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, 149945447 + ... + 150624962.

It is an arithmetic number, because the mean of its divisors is an integer number (10078877273325).

Almost surely, 2^{102121201021022} is an apocalyptic number.

102121201021022 is a deficient number, since it is larger than the sum of its proper divisors (59140835352178).

102121201021022 is a wasteful number, since it uses less digits than its factorization.

102121201021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300579371.

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

Adding to 102121201021022 its reverse (220120102121201), we get a palindrome (322241303142223).

The spelling of 102121201021022 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred one million, twenty-one thousand, twenty-two".