22102132122121 has 4 divisors (see below), whose sum is σ = 22102157021392. Its totient is φ = 22102107222852.

The previous prime is 22102132122089. The next prime is 22102132122127. The reversal of 22102132122121 is 12122123120122.

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 22102132122121 - 2⁵ = 22102132122089 is a prime.

It is a super-6 number, since 6×22102132122121⁶ (a number of 81 digits) contains 666666 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102132122092 and 22102132122101.

It is not an unprimeable number, because it can be changed into a prime (22102132122127) 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, 11066955 + ... + 12910528.

It is an arithmetic number, because the mean of its divisors is an integer number (5525539255348).

Almost surely, 2^{22102132122121} is an apocalyptic number.

It is an amenable number.

22102132122121 is a deficient number, since it is larger than the sum of its proper divisors (24899271).

22102132122121 is an equidigital number, since it uses as much as digits as its factorization.

22102132122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24899270.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22102132122121 its reverse (12122123120122), we get a palindrome (34224255242243).

It can be divided in two parts, 2210213 and 2122121, that added together give a palindrome (4332334).

The spelling of 22102132122121 in words is "twenty-two trillion, one hundred two billion, one hundred thirty-two million, one hundred twenty-two thousand, one hundred twenty-one".