20112212202211 has 16 divisors (see below), whose sum is σ = 20787799938048. Its totient is φ = 19438314660000.

The previous prime is 20112212202169. The next prime is 20112212202223. The reversal of 20112212202211 is 11220221221102.

It is a cyclic number.

It is not a de Polignac number, because 20112212202211 - 2²⁵ = 20112178647779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112212202011) 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, 82708641 + ... + 82951453.

It is an arithmetic number, because the mean of its divisors is an integer number (1299237496128).

Almost surely, 2^{20112212202211} is an apocalyptic number.

20112212202211 is a deficient number, since it is larger than the sum of its proper divisors (675587735837).

20112212202211 is a wasteful number, since it uses less digits than its factorization.

20112212202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246282.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20112212202211 its reverse (11220221221102), we get a palindrome (31332433423313).

The spelling of 20112212202211 in words is "twenty trillion, one hundred twelve billion, two hundred twelve million, two hundred two thousand, two hundred eleven".