210300311211112 has 8 divisors (see below), whose sum is σ = 394313083520850. Its totient is φ = 105150155605552.

The previous prime is 210300311211103. The next prime is 210300311211143. The reversal of 210300311211112 is 211112113003012.

It can be written as a sum of positive squares in only one way, i.e., 174323275547716 + 35977035663396 = 13203154^2 + 5998086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 210300311211112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13143769450687 + ... + 13143769450702.

Almost surely, 2^{210300311211112} is an apocalyptic number.

It is an amenable number.

210300311211112 is a deficient number, since it is larger than the sum of its proper divisors (184012772309738).

210300311211112 is a wasteful number, since it uses less digits than its factorization.

210300311211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26287538901395 (or 26287538901391 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 210300311211112 its reverse (211112113003012), we get a palindrome (421412424214124).

The spelling of 210300311211112 in words is "two hundred ten trillion, three hundred billion, three hundred eleven million, two hundred eleven thousand, one hundred twelve".