2212210011111 has 16 divisors (see below), whose sum is σ = 2963379234816. Its totient is φ = 1467928460736.

The previous prime is 2212210011061. The next prime is 2212210011127. The reversal of 2212210011111 is 1111100122122.

It is a happy number.

It is not a de Polignac number, because 2212210011111 - 2¹⁷ = 2212209880039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212210011211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1285626 + ... + 2465208.

It is an arithmetic number, because the mean of its divisors is an integer number (185211202176).

Almost surely, 2^{2212210011111} is an apocalyptic number.

2212210011111 is a deficient number, since it is larger than the sum of its proper divisors (751169223705).

2212210011111 is a wasteful number, since it uses less digits than its factorization.

2212210011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182502.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2212210011111 its reverse (1111100122122), we get a palindrome (3323310133233).

The spelling of 2212210011111 in words is "two trillion, two hundred twelve billion, two hundred ten million, eleven thousand, one hundred eleven".