211030311102 has 16 divisors (see below), whose sum is σ = 454526824080. Its totient is φ = 64932403392.

The previous prime is 211030311031. The next prime is 211030311169. The reversal of 211030311102 is 201113030112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352758327 + ... + 1352758482.

It is an arithmetic number, because the mean of its divisors is an integer number (28407926505).

Almost surely, 2^211030311102 is an apocalyptic number.

211030311102 is an abundant number, since it is smaller than the sum of its proper divisors (243496512978).

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

211030311102 is a wasteful number, since it uses less digits than its factorization.

211030311102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705516827.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 211030311102 its reverse (201113030112), we get a palindrome (412143341214).

The spelling of 211030311102 in words is "two hundred eleven billion, thirty million, three hundred eleven thousand, one hundred two".