22012210221001 has 32 divisors (see below), whose sum is σ = 31293376627968. Its totient is φ = 14901607895040.

The previous prime is 22012210220989. The next prime is 22012210221017. The reversal of 22012210221001 is 10012201221022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22012210221001 - 2⁷ = 22012210220873 is a prime.

It is a super-2 number, since 2×22012210221001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22012210221031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646754160 + ... + 646788193.

It is an arithmetic number, because the mean of its divisors is an integer number (977918019624).

Almost surely, 2^{22012210221001} is an apocalyptic number.

It is an amenable number.

22012210221001 is a deficient number, since it is larger than the sum of its proper divisors (9281166406967).

22012210221001 is a wasteful number, since it uses less digits than its factorization.

22012210221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293542401.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22012210221001 its reverse (10012201221022), we get a palindrome (32024411442023).

It can be divided in two parts, 2201221022 and 1001, that multiplied together give a palindrome (2203422243022).

The spelling of 22012210221001 in words is "twenty-two trillion, twelve billion, two hundred ten million, two hundred twenty-one thousand, one".