210211111012 has 12 divisors (see below), whose sum is σ = 420422222080. Its totient is φ = 90090476136.

The previous prime is 210211111009. The next prime is 210211111021. The reversal of 210211111012 is 210111112012.

It is a happy number.

210211111012 is an admirable number.

It is a super-2 number, since 2×210211111012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210211110983 and 210211111001.

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, 3753769812 + ... + 3753769867.

Almost surely, 2^210211111012 is an apocalyptic number.

It is an amenable number.

210211111012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

210211111012 is a wasteful number, since it uses less digits than its factorization.

210211111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7507539690 (or 7507539688 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210211111012 its reverse (210111112012), we get a palindrome (420322223024).

The spelling of 210211111012 in words is "two hundred ten billion, two hundred eleven million, one hundred eleven thousand, twelve".