22201011022121 has 8 divisors (see below), whose sum is σ = 22258339912224. Its totient is φ = 22143723967360.

The previous prime is 22201011022117. The next prime is 22201011022153. The reversal of 22201011022121 is 12122011010222.

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 22201011022121 - 2² = 22201011022117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22201011022121.

It is not an unprimeable number, because it can be changed into a prime (22201011022171) 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, 9395975 + ... + 11518956.

It is an arithmetic number, because the mean of its divisors is an integer number (2782292489028).

Almost surely, 2^{22201011022121} is an apocalyptic number.

It is an amenable number.

22201011022121 is a deficient number, since it is larger than the sum of its proper divisors (57328890103).

22201011022121 is a wasteful number, since it uses less digits than its factorization.

22201011022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917671.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22201011022121 its reverse (12122011010222), we get a palindrome (34323022032343).

The spelling of 22201011022121 in words is "twenty-two trillion, two hundred one billion, eleven million, twenty-two thousand, one hundred twenty-one".