11222212112201 has 8 divisors (see below), whose sum is σ = 11288298732480. Its totient is φ = 11156271541168.

The previous prime is 11222212112191. The next prime is 11222212112219. The reversal of 11222212112201 is 10221121222211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222212112201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222212112281) 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, 36358181 + ... + 36665538.

It is an arithmetic number, because the mean of its divisors is an integer number (1411037341560).

Almost surely, 2^{11222212112201} is an apocalyptic number.

It is an amenable number.

11222212112201 is a deficient number, since it is larger than the sum of its proper divisors (66086620279).

11222212112201 is an equidigital number, since it uses as much as digits as its factorization.

11222212112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73024623.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11222212112201 its reverse (10221121222211), we get a palindrome (21443333334412).

The spelling of 11222212112201 in words is "eleven trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twelve thousand, two hundred one".