210212110021112 has 32 divisors (see below), whose sum is σ = 417333557106720. Its totient is φ = 98923181952000.

The previous prime is 210212110021021. The next prime is 210212110021157. The reversal of 210212110021112 is 211120011212012.

It is a super-2 number, since 2×210212110021112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 131533853 + ... + 133122419.

It is an arithmetic number, because the mean of its divisors is an integer number (13041673659585).

Almost surely, 2^{210212110021112} is an apocalyptic number.

It is an amenable number.

210212110021112 is a deficient number, since it is larger than the sum of its proper divisors (207121447085608).

210212110021112 is a wasteful number, since it uses less digits than its factorization.

210212110021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561591 (or 2561587 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 210212110021112 its reverse (211120011212012), we get a palindrome (421332121233124).

The spelling of 210212110021112 in words is "two hundred ten trillion, two hundred twelve billion, one hundred ten million, twenty-one thousand, one hundred twelve".