1220112222101 has 8 divisors (see below), whose sum is σ = 1225657267200. Its totient is φ = 1214570843920.

The previous prime is 1220112222097. The next prime is 1220112222107. The reversal of 1220112222101 is 1012222110221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220112222101 - 2² = 1220112222097 is a prime.

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 1220112222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220112222107) 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, 248645 + ... + 1581786.

It is an arithmetic number, because the mean of its divisors is an integer number (153207158400).

Almost surely, 2^{1220112222101} is an apocalyptic number.

It is an amenable number.

1220112222101 is a deficient number, since it is larger than the sum of its proper divisors (5545045099).

1220112222101 is a wasteful number, since it uses less digits than its factorization.

1220112222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833459.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1220112222101 its reverse (1012222110221), we get a palindrome (2232334332322).

The spelling of 1220112222101 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, one hundred one".