22221122101001 has 4 divisors (see below), whose sum is σ = 22221139513104. Its totient is φ = 22221104688900.

The previous prime is 22221122100997. The next prime is 22221122101037. The reversal of 22221122101001 is 10010122112222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22221122101001 - 2² = 22221122100997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221122101051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6626135 + ... + 9399356.

It is an arithmetic number, because the mean of its divisors is an integer number (5555284878276).

Almost surely, 2^{22221122101001} is an apocalyptic number.

It is an amenable number.

22221122101001 is a deficient number, since it is larger than the sum of its proper divisors (17412103).

22221122101001 is a wasteful number, since it uses less digits than its factorization.

22221122101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17412102.

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

Adding to 22221122101001 its reverse (10010122112222), we get a palindrome (32231244213223).

The spelling of 22221122101001 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred one thousand, one".