102022002121 has 8 divisors (see below), whose sum is σ = 115652472320. Its totient is φ = 89217621072.

The previous prime is 102022002053. The next prime is 102022002151. The reversal of 102022002121 is 121200220201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102022002121 - 2²⁵ = 101988447689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102022002151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206522025 + ... + 206522518.

It is an arithmetic number, because the mean of its divisors is an integer number (14456559040).

Almost surely, 2^102022002121 is an apocalyptic number.

It is an amenable number.

102022002121 is a deficient number, since it is larger than the sum of its proper divisors (13630470199).

102022002121 is a wasteful number, since it uses less digits than its factorization.

102022002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413044575.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102022002121 its reverse (121200220201), we get a palindrome (223222222322).

The spelling of 102022002121 in words is "one hundred two billion, twenty-two million, two thousand, one hundred twenty-one".