102212332202121 has 4 divisors (see below), whose sum is σ = 136283109602832. Its totient is φ = 68141554801412.

The previous prime is 102212332202083. The next prime is 102212332202131. The reversal of 102212332202121 is 121202233212201.

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 102212332202121 - 2³⁴ = 102195152332937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102212332202091 and 102212332202100.

It is not an unprimeable number, because it can be changed into a prime (102212332202131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17035388700351 + ... + 17035388700356.

It is an arithmetic number, because the mean of its divisors is an integer number (34070777400708).

Almost surely, 2^{102212332202121} is an apocalyptic number.

It is an amenable number.

102212332202121 is a deficient number, since it is larger than the sum of its proper divisors (34070777400711).

102212332202121 is an equidigital number, since it uses as much as digits as its factorization.

102212332202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34070777400710.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 102212332202121 its reverse (121202233212201), we get a palindrome (223414565414322).

The spelling of 102212332202121 in words is "one hundred two trillion, two hundred twelve billion, three hundred thirty-two million, two hundred two thousand, one hundred twenty-one".