211100210110122 has 32 divisors (see below), whose sum is σ = 434093925129984. Its totient is φ = 68397152025600.

The previous prime is 211100210110103. The next prime is 211100210110169. The reversal of 211100210110122 is 221011012001112.

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, 1583200743 + ... + 1583334074.

It is an arithmetic number, because the mean of its divisors is an integer number (13565435160312).

Almost surely, 2^{211100210110122} is an apocalyptic number.

211100210110122 is an abundant number, since it is smaller than the sum of its proper divisors (222993715019862).

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

211100210110122 is a wasteful number, since it uses less digits than its factorization.

211100210110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166535134.

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

Adding to 211100210110122 its reverse (221011012001112), we get a palindrome (432111222111234).

The spelling of 211100210110122 in words is "two hundred eleven trillion, one hundred billion, two hundred ten million, one hundred ten thousand, one hundred twenty-two".