22212100022201 has 16 divisors (see below), whose sum is σ = 23584562659584. Its totient is φ = 20846964743424.

The previous prime is 22212100022179. The next prime is 22212100022291. The reversal of 22212100022201 is 10222000121222.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212100022201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 22212100022201.

It is not an unprimeable number, because it can be changed into a prime (22212100022291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86800226 + ... + 87055748.

It is an arithmetic number, because the mean of its divisors is an integer number (1474035166224).

Almost surely, 2^{22212100022201} is an apocalyptic number.

It is an amenable number.

22212100022201 is a deficient number, since it is larger than the sum of its proper divisors (1372462637383).

22212100022201 is a wasteful number, since it uses less digits than its factorization.

22212100022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269840.

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

Adding to 22212100022201 its reverse (10222000121222), we get a palindrome (32434100143423).

The spelling of 22212100022201 in words is "twenty-two trillion, two hundred twelve billion, one hundred million, twenty-two thousand, two hundred one".