210111020212 has 12 divisors (see below), whose sum is σ = 387046616320. Its totient is φ = 99526272696.

The previous prime is 210111020191. The next prime is 210111020219. The reversal of 210111020212 is 212020111012.

It is a junction number, because it is equal to n+sod(n) for n = 210111020192 and 210111020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210111020219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382309268 + ... + 1382309419.

Almost surely, 2^210111020212 is an apocalyptic number.

It is an amenable number.

210111020212 is a deficient number, since it is larger than the sum of its proper divisors (176935596108).

210111020212 is a wasteful number, since it uses less digits than its factorization.

210111020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764618710 (or 2764618708 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210111020212 its reverse (212020111012), we get a palindrome (422131131224).

The spelling of 210111020212 in words is "two hundred ten billion, one hundred eleven million, twenty thousand, two hundred twelve".