2211202112111 has 8 divisors (see below), whose sum is σ = 2238823105344. Its totient is φ = 2183679590400.

The previous prime is 2211202112099. The next prime is 2211202112117. The reversal of 2211202112111 is 1112112021122.

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 2211202112111 - 2³⁴ = 2194022242927 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 2211202112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211202112117) 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, 24572690 + ... + 24662511.

It is an arithmetic number, because the mean of its divisors is an integer number (279852888168).

Almost surely, 2^{2211202112111} is an apocalyptic number.

2211202112111 is a deficient number, since it is larger than the sum of its proper divisors (27620993233).

2211202112111 is an equidigital number, since it uses as much as digits as its factorization.

2211202112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49235761.

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

Adding to 2211202112111 its reverse (1112112021122), we get a palindrome (3323314133233).

The spelling of 2211202112111 in words is "two trillion, two hundred eleven billion, two hundred two million, one hundred twelve thousand, one hundred eleven".