22201031002121 has 4 divisors (see below), whose sum is σ = 22917193292544. Its totient is φ = 21484868711700.

The previous prime is 22201031002097. The next prime is 22201031002153. The reversal of 22201031002121 is 12120013010222.

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 a de Polignac number, because none of the positive numbers 2^k-22201031002121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22201031002121.

It is not an unprimeable number, because it can be changed into a prime (22201031002181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358081145165 + ... + 358081145226.

It is an arithmetic number, because the mean of its divisors is an integer number (5729298323136).

Almost surely, 2^{22201031002121} is an apocalyptic number.

It is an amenable number.

22201031002121 is a deficient number, since it is larger than the sum of its proper divisors (716162290423).

22201031002121 is an equidigital number, since it uses as much as digits as its factorization.

22201031002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716162290422.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22201031002121 its reverse (12120013010222), we get a palindrome (34321044012343).

The spelling of 22201031002121 in words is "twenty-two trillion, two hundred one billion, thirty-one million, two thousand, one hundred twenty-one".