22101200012121 has 8 divisors (see below), whose sum is σ = 29508800752704. Its totient is φ = 14713866306480.

The previous prime is 22101200012093. The next prime is 22101200012131. The reversal of 22101200012121 is 12121000210122.

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

It is not a de Polignac number, because 22101200012121 - 2⁶ = 22101200012057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22101200012121.

It is not an unprimeable number, because it can be changed into a prime (22101200012131) 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, 5066756190 + ... + 5066760551.

It is an arithmetic number, because the mean of its divisors is an integer number (3688600094088).

Almost surely, 2^{22101200012121} is an apocalyptic number.

It is an amenable number.

22101200012121 is a deficient number, since it is larger than the sum of its proper divisors (7407600740583).

22101200012121 is a wasteful number, since it uses less digits than its factorization.

22101200012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10133517471.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22101200012121 its reverse (12121000210122), we get a palindrome (34222200222243).

The spelling of 22101200012121 in words is "twenty-two trillion, one hundred one billion, two hundred million, twelve thousand, one hundred twenty-one".