22101121201 has 4 divisors (see below), whose sum is σ = 23401187172. Its totient is φ = 20801055232.

The previous prime is 22101121193. The next prime is 22101121213. The reversal of 22101121201 is 10212110122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20392125601 + 1708995600 = 142801^2 + 41340^2 .

It is a cyclic number.

It is not a de Polignac number, because 22101121201 - 2³ = 22101121193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101121901) 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, 650032960 + ... + 650032993.

It is an arithmetic number, because the mean of its divisors is an integer number (5850296793).

Almost surely, 2^22101121201 is an apocalyptic number.

It is an amenable number.

22101121201 is a deficient number, since it is larger than the sum of its proper divisors (1300065971).

22101121201 is a wasteful number, since it uses less digits than its factorization.

22101121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300065970.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22101121201 its reverse (10212110122), we get a palindrome (32313231323).

The spelling of 22101121201 in words is "twenty-two billion, one hundred one million, one hundred twenty-one thousand, two hundred one".