2212011220111 has 16 divisors (see below), whose sum is σ = 2816509455360. Its totient is φ = 1686971803680.

The previous prime is 2212011220103. The next prime is 2212011220127. The reversal of 2212011220111 is 1110221102122.

It is a cyclic number.

It is not a de Polignac number, because 2212011220111 - 2³ = 2212011220103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212011223111) 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, 305607216 + ... + 305614453.

It is an arithmetic number, because the mean of its divisors is an integer number (176031840960).

Almost surely, 2^{2212011220111} is an apocalyptic number.

2212011220111 is a deficient number, since it is larger than the sum of its proper divisors (604498235249).

2212011220111 is a wasteful number, since it uses less digits than its factorization.

2212011220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611221734.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2212011220111 its reverse (1110221102122), we get a palindrome (3322232322233).

The spelling of 2212011220111 in words is "two trillion, two hundred twelve billion, eleven million, two hundred twenty thousand, one hundred eleven".