22211121100001 has 16 divisors (see below), whose sum is σ = 22504229559360. Its totient is φ = 21920344484160.

The previous prime is 22211121099991. The next prime is 22211121100073. The reversal of 22211121100001 is 10000112111222.

It is a cyclic number.

It is not a de Polignac number, because 22211121100001 - 2²² = 22211116905697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22211121100901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16797431 + ... + 18071411.

It is an arithmetic number, because the mean of its divisors is an integer number (1406514347460).

Almost surely, 2^{22211121100001} is an apocalyptic number.

It is an amenable number.

22211121100001 is a deficient number, since it is larger than the sum of its proper divisors (293108459359).

22211121100001 is a wasteful number, since it uses less digits than its factorization.

22211121100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274896.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22211121100001 its reverse (10000112111222), we get a palindrome (32211233211223).

The spelling of 22211121100001 in words is "twenty-two trillion, two hundred eleven billion, one hundred twenty-one million, one hundred thousand, one".