1112111222201 has 4 divisors (see below), whose sum is σ = 1270984253952. Its totient is φ = 953238190452.

The previous prime is 1112111222177. The next prime is 1112111222219. The reversal of 1112111222201 is 1022221112111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1112111222201 - 2²² = 1112107027897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112111222201.

It is not an unprimeable number, because it can be changed into a prime (1112111222231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79436515865 + ... + 79436515878.

It is an arithmetic number, because the mean of its divisors is an integer number (317746063488).

Almost surely, 2^{1112111222201} is an apocalyptic number.

It is an amenable number.

1112111222201 is a deficient number, since it is larger than the sum of its proper divisors (158873031751).

1112111222201 is an equidigital number, since it uses as much as digits as its factorization.

1112111222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158873031750.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1112111222201 its reverse (1022221112111), we get a palindrome (2134332334312).

The spelling of 1112111222201 in words is "one trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-two thousand, two hundred one".