222211201022001 has 48 divisors (see below), whose sum is σ = 340055898994240. Its totient is φ = 139434048673920.

The previous prime is 222211201021891. The next prime is 222211201022029. The reversal of 222211201022001 is 100220102112222.

It is a happy number.

222211201022001 is a `hidden beast` number, since 22 + 221 + 1 + 201 + 0 + 220 + 0 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-222211201022001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211201022051) 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 47 ways as a sum of consecutive naturals, for example, 236348226 + ... + 237286548.

Almost surely, 2^{222211201022001} is an apocalyptic number.

It is an amenable number.

222211201022001 is a deficient number, since it is larger than the sum of its proper divisors (117844697972239).

222211201022001 is a wasteful number, since it uses less digits than its factorization.

222211201022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947326 (or 947323 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222211201022001 its reverse (100220102112222), we get a palindrome (322431303134223).

The spelling of 222211201022001 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred one million, twenty-two thousand, one".