210101211011112 has 64 divisors (see below), whose sum is σ = 533327772787200. Its totient is φ = 68959611026880.

The previous prime is 210101211011099. The next prime is 210101211011117. The reversal of 210101211011112 is 211110112101012.

It is a junction number, because it is equal to n+sod(n) for n = 210101211011091 and 210101211011100.

It is not an unprimeable number, because it can be changed into a prime (210101211011117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76993662 + ... + 79675757.

It is an arithmetic number, because the mean of its divisors is an integer number (8333246449800).

Almost surely, 2^{210101211011112} is an apocalyptic number.

It is an amenable number.

210101211011112 is an abundant number, since it is smaller than the sum of its proper divisors (323226561776088).

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

210101211011112 is a wasteful number, since it uses less digits than its factorization.

210101211011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156670286 (or 156670282 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 210101211011112 its reverse (211110112101012), we get a palindrome (421211323112124).

The spelling of 210101211011112 in words is "two hundred ten trillion, one hundred one billion, two hundred eleven million, eleven thousand, one hundred twelve".