22221101001 has 32 divisors (see below), whose sum is σ = 33336354816. Its totient is φ = 13050200000.

The previous prime is 22221100997. The next prime is 22221101011. The reversal of 22221101001 is 10010112222.

It is a cyclic number.

It is not a de Polignac number, because 22221101001 - 2² = 22221100997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85726 + ... + 227576.

It is an arithmetic number, because the mean of its divisors is an integer number (1041761088).

Almost surely, 2^22221101001 is an apocalyptic number.

It is an amenable number.

22221101001 is a deficient number, since it is larger than the sum of its proper divisors (11115253815).

22221101001 is a wasteful number, since it uses less digits than its factorization.

22221101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142013.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22221101001 its reverse (10010112222), we get a palindrome (32231213223).

The spelling of 22221101001 in words is "twenty-two billion, two hundred twenty-one million, one hundred one thousand, one".