1111112122201 has 8 divisors (see below), whose sum is σ = 1172849630400. Its totient is φ = 1049700406320.

The previous prime is 1111112122193. The next prime is 1111112122279. The reversal of 1111112122201 is 1022212111111.

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 1111112122201 - 2³ = 1111112122193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111112123201) 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, 81441070 + ... + 81454711.

It is an arithmetic number, because the mean of its divisors is an integer number (146606203800).

Almost surely, 2^{1111112122201} is an apocalyptic number.

It is an amenable number.

1111112122201 is a deficient number, since it is larger than the sum of its proper divisors (61737508199).

1111112122201 is a wasteful number, since it uses less digits than its factorization.

1111112122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162896159.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1111112122201 its reverse (1022212111111), we get a palindrome (2133324233312).

The spelling of 1111112122201 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty-two thousand, two hundred one".