210002120212110 has 48 divisors (see below), whose sum is σ = 535396408922736. Its totient is φ = 52706414482432.

The previous prime is 210002120212039. The next prime is 210002120212117. The reversal of 210002120212110 is 11212021200012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 210002120212110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002120212117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12110840247 + ... + 12110857586.

It is an arithmetic number, because the mean of its divisors is an integer number (11154091852557).

Almost surely, 2^{210002120212110} is an apocalyptic number.

210002120212110 is an abundant number, since it is smaller than the sum of its proper divisors (325394288710626).

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

210002120212110 is a wasteful number, since it uses less digits than its factorization.

210002120212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24221697877 (or 24221697860 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210002120212110 its reverse (11212021200012), we get a palindrome (221214141412122).

The spelling of 210002120212110 in words is "two hundred ten trillion, two billion, one hundred twenty million, two hundred twelve thousand, one hundred ten".