2211311000111 has 4 divisors (see below), whose sum is σ = 2211409781424. Its totient is φ = 2211212218800.

The previous prime is 2211311000053. The next prime is 2211311000141. The reversal of 2211311000111 is 1110001131122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211311000111 is a prime.

It is a super-2 number, since 2×2211311000111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211311000141) 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, 49357070 + ... + 49401851.

It is an arithmetic number, because the mean of its divisors is an integer number (552852445356).

Almost surely, 2^{2211311000111} is an apocalyptic number.

2211311000111 is a deficient number, since it is larger than the sum of its proper divisors (98781313).

2211311000111 is an equidigital number, since it uses as much as digits as its factorization.

2211311000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98781312.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 2211311000111 its reverse (1110001131122), we get a palindrome (3321312131233).

The spelling of 2211311000111 in words is "two trillion, two hundred eleven billion, three hundred eleven million, one hundred eleven", and thus it is an aban number.