210112220202112 has 16 divisors (see below), whose sum is σ = 418582938684150. Its totient is φ = 105056110100992.

The previous prime is 210112220202103. The next prime is 210112220202121. The reversal of 210112220202112 is 211202022211012.

It is an interprime number because it is at equal distance from previous prime (210112220202103) and next prime (210112220202121).

It can be written as a sum of positive squares in only one way, i.e., 209458929508416 + 653290693696 = 14472696^2 + 808264^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 210112220202112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820750860037 + ... + 820750860292.

Almost surely, 2^{210112220202112} is an apocalyptic number.

It is an amenable number.

210112220202112 is a deficient number, since it is larger than the sum of its proper divisors (208470718482038).

210112220202112 is an equidigital number, since it uses as much as digits as its factorization.

210112220202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641501720343 (or 1641501720331 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210112220202112 its reverse (211202022211012), we get a palindrome (421314242413124).

The spelling of 210112220202112 in words is "two hundred ten trillion, one hundred twelve billion, two hundred twenty million, two hundred two thousand, one hundred twelve".