210120100210 has 64 divisors (see below), whose sum is σ = 388166349312. Its totient is φ = 81855606016.

The previous prime is 210120100207. The next prime is 210120100243. The reversal of 210120100210 is 12001021012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106496784 + ... + 106498756.

It is an arithmetic number, because the mean of its divisors is an integer number (6065099208).

Almost surely, 2^210120100210 is an apocalyptic number.

210120100210 is a deficient number, since it is larger than the sum of its proper divisors (178046249102).

210120100210 is a wasteful number, since it uses less digits than its factorization.

210120100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210120100210 its reverse (12001021012), we get a palindrome (222121121222).

The spelling of 210120100210 in words is "two hundred ten billion, one hundred twenty million, one hundred thousand, two hundred ten".