102001112021122 has 4 divisors (see below), whose sum is σ = 153001668031686. Its totient is φ = 51000556010560.

The previous prime is 102001112021089. The next prime is 102001112021167. The reversal of 102001112021122 is 221120211100201.

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

It can be written as a sum of positive squares in only one way, i.e., 101376887194881 + 624224826241 = 10068609^2 + 790079^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102001112021096 and 102001112021105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500278005279 + ... + 25500278005282.

Almost surely, 2^{102001112021122} is an apocalyptic number.

102001112021122 is a deficient number, since it is larger than the sum of its proper divisors (51000556010564).

102001112021122 is an equidigital number, since it uses as much as digits as its factorization.

102001112021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51000556010563.

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

Adding to 102001112021122 its reverse (221120211100201), we get a palindrome (323121323121323).

The spelling of 102001112021122 in words is "one hundred two trillion, one billion, one hundred twelve million, twenty-one thousand, one hundred twenty-two".