20112333111211 has 16 divisors (see below), whose sum is σ = 22347768077568. Its totient is φ = 17947007226400.

The previous prime is 20112333111197. The next prime is 20112333111223. The reversal of 20112333111211 is 11211133321102.

It is a cyclic number.

It is not a de Polignac number, because 20112333111211 - 2⁵ = 20112333111179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112333111281) 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, 56545240 + ... + 56899813.

It is an arithmetic number, because the mean of its divisors is an integer number (1396735504848).

Almost surely, 2^{20112333111211} is an apocalyptic number.

20112333111211 is a deficient number, since it is larger than the sum of its proper divisors (2235434966357).

20112333111211 is a wasteful number, since it uses less digits than its factorization.

20112333111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113445362.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 20112333111211 its reverse (11211133321102), we get a palindrome (31323466432313).

The spelling of 20112333111211 in words is "twenty trillion, one hundred twelve billion, three hundred thirty-three million, one hundred eleven thousand, two hundred eleven".