22211201121201 has 20 divisors (see below), whose sum is σ = 33185929416112. Its totient is φ = 14804685336888.

The previous prime is 22211201121181. The next prime is 22211201121209. The reversal of 22211201121201 is 10212110211222.

22211201121201 is a `hidden beast` number, since 2 + 221 + 120 + 1 + 121 + 201 = 666.

It is not a de Polignac number, because 22211201121201 - 2¹¹ = 22211201119153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22211201121209) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25326151 + ... + 26188476.

Almost surely, 2^{22211201121201} is an apocalyptic number.

It is an amenable number.

22211201121201 is a deficient number, since it is larger than the sum of its proper divisors (10974728294911).

22211201121201 is an equidigital number, since it uses as much as digits as its factorization.

22211201121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51519962 (or 51519953 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22211201121201 its reverse (10212110211222), we get a palindrome (32423311332423).

The spelling of 22211201121201 in words is "twenty-two trillion, two hundred eleven billion, two hundred one million, one hundred twenty-one thousand, two hundred one".