22211212022201 has 16 divisors (see below), whose sum is σ = 22850962168320. Its totient is φ = 21579652635840.

The previous prime is 22211212022173. The next prime is 22211212022261. The reversal of 22211212022201 is 10222021211222.

It is not a de Polignac number, because 22211212022201 - 2²⁶ = 22211144913337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22211212022261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156170960 + ... + 156313118.

It is an arithmetic number, because the mean of its divisors is an integer number (1428185135520).

Almost surely, 2^{22211212022201} is an apocalyptic number.

It is an amenable number.

22211212022201 is a deficient number, since it is larger than the sum of its proper divisors (639750146119).

22211212022201 is a wasteful number, since it uses less digits than its factorization.

22211212022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170936.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22211212022201 its reverse (10222021211222), we get a palindrome (32433233233423).

The spelling of 22211212022201 in words is "twenty-two trillion, two hundred eleven billion, two hundred twelve million, twenty-two thousand, two hundred one".