102020112021122 has 16 divisors (see below), whose sum is σ = 162032274401400. Its totient is φ = 48009366175488.

The previous prime is 102020112021119. The next prime is 102020112021193. The reversal of 102020112021122 is 221120211020201.

It can be written as a sum of positive squares in 4 ways, for example, as 54191255283841 + 47828856737281 = 7361471^2 + 6915841^2 .

It is a super-2 number, since 2×102020112021122² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 102020112021122.

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, 15383708 + ... + 20992824.

Almost surely, 2^{102020112021122} is an apocalyptic number.

102020112021122 is a deficient number, since it is larger than the sum of its proper divisors (60012162380278).

102020112021122 is a wasteful number, since it uses less digits than its factorization.

102020112021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144085.

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

Adding to 102020112021122 its reverse (221120211020201), we get a palindrome (323140323041323).

The spelling of 102020112021122 in words is "one hundred two trillion, twenty billion, one hundred twelve million, twenty-one thousand, one hundred twenty-two".