211200010111122 has 32 divisors (see below), whose sum is σ = 422525492923392. Its totient is φ = 70379092448784.

The previous prime is 211200010111081. The next prime is 211200010111199. The reversal of 211200010111122 is 221111010002112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815418483 + ... + 815677449.

It is an arithmetic number, because the mean of its divisors is an integer number (13203921653856).

Almost surely, 2^{211200010111122} is an apocalyptic number.

211200010111122 is an abundant number, since it is smaller than the sum of its proper divisors (211325482812270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211200010111122 is a wasteful number, since it uses less digits than its factorization.

211200010111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298822.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211200010111122 its reverse (221111010002112), we get a palindrome (432311020113234).

The spelling of 211200010111122 in words is "two hundred eleven trillion, two hundred billion, ten million, one hundred eleven thousand, one hundred twenty-two".