22311121221001 has 16 divisors (see below), whose sum is σ = 23665792037184. Its totient is φ = 20961152308224.

The previous prime is 22311121220989. The next prime is 22311121221049. The reversal of 22311121221001 is 10012212111322.

It is a cyclic number.

It is not a de Polignac number, because 22311121221001 - 2⁷ = 22311121220873 is a prime.

It is a super-3 number, since 3×22311121221001³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22311121221001.

It is not an unprimeable number, because it can be changed into a prime (22311121221091) 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, 103393846 + ... + 103609408.

It is an arithmetic number, because the mean of its divisors is an integer number (1479112002324).

Almost surely, 2^{22311121221001} is an apocalyptic number.

It is an amenable number.

22311121221001 is a deficient number, since it is larger than the sum of its proper divisors (1354670816183).

22311121221001 is a wasteful number, since it uses less digits than its factorization.

22311121221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226440.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 22311121221001 its reverse (10012212111322), we get a palindrome (32323333332323).

The spelling of 22311121221001 in words is "twenty-two trillion, three hundred eleven billion, one hundred twenty-one million, two hundred twenty-one thousand, one".