22102135121 has 8 divisors (see below), whose sum is σ = 24350148288. Its totient is φ = 19893910000.

The previous prime is 22102135109. The next prime is 22102135127. The reversal of 22102135121 is 12153120122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22102135121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102135093 and 22102135102.

It is not an unprimeable number, because it can be changed into a prime (22102135127) 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, 9945845 + ... + 9948066.

It is an arithmetic number, because the mean of its divisors is an integer number (3043768536).

Almost surely, 2^22102135121 is an apocalyptic number.

It is an amenable number.

22102135121 is a deficient number, since it is larger than the sum of its proper divisors (2248013167).

22102135121 is a wasteful number, since it uses less digits than its factorization.

22102135121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19894023.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 22102135121 its reverse (12153120122), we get a palindrome (34255255243).

The spelling of 22102135121 in words is "twenty-two billion, one hundred two million, one hundred thirty-five thousand, one hundred twenty-one".