2212211111011 has 32 divisors (see below), whose sum is σ = 2518122297600. Its totient is φ = 1925006160000.

The previous prime is 2212211110979. The next prime is 2212211111023. The reversal of 2212211111011 is 1101111122122.

It is not a de Polignac number, because 2212211111011 - 2⁵ = 2212211110979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212211111311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31047456 + ... + 31118626.

It is an arithmetic number, because the mean of its divisors is an integer number (78691321800).

Almost surely, 2^{2212211111011} is an apocalyptic number.

2212211111011 is a deficient number, since it is larger than the sum of its proper divisors (305911186589).

2212211111011 is a wasteful number, since it uses less digits than its factorization.

2212211111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72051.

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

Adding to 2212211111011 its reverse (1101111122122), we get a palindrome (3313322233133).

It can be divided in two parts, 221221111 and 1011, that added together give a palindrome (221222122).

The spelling of 2212211111011 in words is "two trillion, two hundred twelve billion, two hundred eleven million, one hundred eleven thousand, eleven".