211121200210112 has 28 divisors (see below), whose sum is σ = 419049774461640. Its totient is φ = 105533855463936.

The previous prime is 211121200210103. The next prime is 211121200210121. The reversal of 211121200210112 is 211012002121112.

It is an interprime number because it is at equal distance from previous prime (211121200210103) and next prime (211121200210121).

It is a super-2 number, since 2×211121200210112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417630437 + ... + 418135652.

It is an arithmetic number, because the mean of its divisors is an integer number (14966063373630).

Almost surely, 2^{211121200210112} is an apocalyptic number.

It is an amenable number.

211121200210112 is a deficient number, since it is larger than the sum of its proper divisors (207928574251528).

211121200210112 is an equidigital number, since it uses as much as digits as its factorization.

211121200210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835770048 (or 835770038 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211121200210112 its reverse (211012002121112), we get a palindrome (422133202331224).

The spelling of 211121200210112 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred million, two hundred ten thousand, one hundred twelve".