20000211122211 has 32 divisors (see below), whose sum is σ = 27442508486400. Its totient is φ = 12948809617920.

The previous prime is 20000211122209. The next prime is 20000211122251. The reversal of 20000211122211 is 11222111200002.

It is not a de Polignac number, because 20000211122211 - 2¹ = 20000211122209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20000211122201) 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, 23127820 + ... + 23976998.

It is an arithmetic number, because the mean of its divisors is an integer number (857578390200).

Almost surely, 2^{20000211122211} is an apocalyptic number.

20000211122211 is a deficient number, since it is larger than the sum of its proper divisors (7442297364189).

20000211122211 is a wasteful number, since it uses less digits than its factorization.

20000211122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850099.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20000211122211 its reverse (11222111200002), we get a palindrome (31222322322213).

The spelling of 20000211122211 in words is "twenty trillion, two hundred eleven million, one hundred twenty-two thousand, two hundred eleven".