102122202121 has 8 divisors (see below), whose sum is σ = 103898260800. Its totient is φ = 100349431440.

The previous prime is 102122202071. The next prime is 102122202139. The reversal of 102122202121 is 121202221201.

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 102122202121 - 2⁹ = 102122201609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102122202095 and 102122202104.

It is not an unprimeable number, because it can be changed into a prime (102122202521) 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, 759301 + ... + 883618.

It is an arithmetic number, because the mean of its divisors is an integer number (12987282600).

Almost surely, 2^102122202121 is an apocalyptic number.

It is an amenable number.

102122202121 is a deficient number, since it is larger than the sum of its proper divisors (1776058679).

102122202121 is a wasteful number, since it uses less digits than its factorization.

102122202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643999.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102122202121 its reverse (121202221201), we get a palindrome (223324423322).

The spelling of 102122202121 in words is "one hundred two billion, one hundred twenty-two million, two hundred two thousand, one hundred twenty-one".