210211111101112 has 64 divisors (see below), whose sum is σ = 455294487340800. Its totient is φ = 89925060656640.

The previous prime is 210211111101109. The next prime is 210211111101113. The reversal of 210211111101112 is 211101111112012.

It is a super-2 number, since 2×210211111101112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210211111101113) 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, 24182463 + ... + 31705105.

It is an arithmetic number, because the mean of its divisors is an integer number (7113976364700).

Almost surely, 2^{210211111101112} is an apocalyptic number.

210211111101112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210211111101112 is an abundant number, since it is smaller than the sum of its proper divisors (245083376239688).

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

210211111101112 is a wasteful number, since it uses less digits than its factorization.

210211111101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541356 (or 7541352 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 210211111101112 its reverse (211101111112012), we get a palindrome (421312222213124).

The spelling of 210211111101112 in words is "two hundred ten trillion, two hundred eleven billion, one hundred eleven million, one hundred one thousand, one hundred twelve".