22001122112201 has 4 divisors (see below), whose sum is σ = 23159075907600. Its totient is φ = 20843168316804.

The previous prime is 22001122112183. The next prime is 22001122112231. The reversal of 22001122112201 is 10221122110022.

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 22001122112201 - 2²² = 22001117917897 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 22001122112201.

It is not an unprimeable number, because it can be changed into a prime (22001122112231) 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, 578976897671 + ... + 578976897708.

It is an arithmetic number, because the mean of its divisors is an integer number (5789768976900).

Almost surely, 2^{22001122112201} is an apocalyptic number.

It is an amenable number.

22001122112201 is a deficient number, since it is larger than the sum of its proper divisors (1157953795399).

22001122112201 is a wasteful number, since it uses less digits than its factorization.

22001122112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157953795398.

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

Adding to 22001122112201 its reverse (10221122110022), we get a palindrome (32222244222223).

The spelling of 22001122112201 in words is "twenty-two trillion, one billion, one hundred twenty-two million, one hundred twelve thousand, two hundred one".