210211211111012 has 12 divisors (see below), whose sum is σ = 369996033430716. Its totient is φ = 104498058702240.

The previous prime is 210211211110981. The next prime is 210211211111021. The reversal of 210211211111012 is 210111112112012.

It can be written as a sum of positive squares in 2 ways, for example, as 130901606618176 + 79309604492836 = 11441224^2 + 8905594^2 .

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, 151886712539 + ... + 151886713922.

It is an arithmetic number, because the mean of its divisors is an integer number (30833002785893).

Almost surely, 2^{210211211111012} is an apocalyptic number.

It is an amenable number.

210211211111012 is a deficient number, since it is larger than the sum of its proper divisors (159784822319704).

210211211111012 is a wasteful number, since it uses less digits than its factorization.

210211211111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303773426638 (or 303773426636 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 210211211111012 its reverse (210111112112012), we get a palindrome (420322323223024).

The spelling of 210211211111012 in words is "two hundred ten trillion, two hundred eleven billion, two hundred eleven million, one hundred eleven thousand, twelve".