22012100222201 has 4 divisors (see below), whose sum is σ = 22013402499072. Its totient is φ = 22010797945332.

The previous prime is 22012100222173. The next prime is 22012100222251. The reversal of 22012100222201 is 10222200121022.

It is a happy number.

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-22012100222201 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 22012100222201.

It is not an unprimeable number, because it can be changed into a prime (22012100222251) 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, 651113081 + ... + 651146886.

It is an arithmetic number, because the mean of its divisors is an integer number (5503350624768).

Almost surely, 2^{22012100222201} is an apocalyptic number.

It is an amenable number.

22012100222201 is a deficient number, since it is larger than the sum of its proper divisors (1302276871).

22012100222201 is a wasteful number, since it uses less digits than its factorization.

22012100222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302276870.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22012100222201 its reverse (10222200121022), we get a palindrome (32234300343223).

The spelling of 22012100222201 in words is "twenty-two trillion, twelve billion, one hundred million, two hundred twenty-two thousand, two hundred one".