210002211112 has 8 divisors (see below), whose sum is σ = 393754145850. Its totient is φ = 105001105552.

The previous prime is 210002211079. The next prime is 210002211119. The reversal of 210002211112 is 211112200012.

It can be written as a sum of positive squares in only one way, i.e., 164165970276 + 45836240836 = 405174^2 + 214094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 210002211092 and 210002211101.

It is not an unprimeable number, because it can be changed into a prime (210002211119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13125138187 + ... + 13125138202.

Almost surely, 2^210002211112 is an apocalyptic number.

It is an amenable number.

210002211112 is a deficient number, since it is larger than the sum of its proper divisors (183751934738).

210002211112 is a wasteful number, since it uses less digits than its factorization.

210002211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26250276395 (or 26250276391 counting only the distinct ones).

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

Adding to 210002211112 its reverse (211112200012), we get a palindrome (421114411124).

The spelling of 210002211112 in words is "two hundred ten billion, two million, two hundred eleven thousand, one hundred twelve".