2201011212222 has 16 divisors (see below), whose sum is σ = 4891136027280. Its totient is φ = 733670404056.

The previous prime is 2201011212181. The next prime is 2201011212229. The reversal of 2201011212222 is 2222121101022.

It is a happy number.

2201011212222 is a `hidden beast` number, since 220 + 1 + 0 + 11 + 212 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2201011212195 and 2201011212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201011212229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20379733393 + ... + 20379733500.

It is an arithmetic number, because the mean of its divisors is an integer number (305696001705).

Almost surely, 2^{2201011212222} is an apocalyptic number.

2201011212222 is an abundant number, since it is smaller than the sum of its proper divisors (2690124815058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201011212222 is a wasteful number, since it uses less digits than its factorization.

2201011212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40759466904 (or 40759466898 counting only the distinct ones).

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

Adding to 2201011212222 its reverse (2222121101022), we get a palindrome (4423132313244).

The spelling of 2201011212222 in words is "two trillion, two hundred one billion, eleven million, two hundred twelve thousand, two hundred twenty-two".