102002022002121 has 4 divisors (see below), whose sum is σ = 136002696002832. Its totient is φ = 68001348001412.

The previous prime is 102002022002119. The next prime is 102002022002173. The reversal of 102002022002121 is 121200220200201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102002022002121 - 2¹ = 102002022002119 is a prime.

It is a super-3 number, since 3×102002022002121³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102002022002121.

It is not an unprimeable number, because it can be changed into a prime (102002022004121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17000337000351 + ... + 17000337000356.

It is an arithmetic number, because the mean of its divisors is an integer number (34000674000708).

Almost surely, 2^{102002022002121} is an apocalyptic number.

It is an amenable number.

102002022002121 is a deficient number, since it is larger than the sum of its proper divisors (34000674000711).

102002022002121 is an equidigital number, since it uses as much as digits as its factorization.

102002022002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34000674000710.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102002022002121 its reverse (121200220200201), we get a palindrome (223202242202322).

The spelling of 102002022002121 in words is "one hundred two trillion, two billion, twenty-two million, two thousand, one hundred twenty-one".