210120120220210 has 32 divisors (see below), whose sum is σ = 378411060403584. Its totient is φ = 84004753056000.

The previous prime is 210120120220201. The next prime is 210120120220279. The reversal of 210120120220210 is 12022021021012.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489084195 + ... + 489513625.

It is an arithmetic number, because the mean of its divisors is an integer number (11825345637612).

Almost surely, 2^{210120120220210} is an apocalyptic number.

210120120220210 is a deficient number, since it is larger than the sum of its proper divisors (168290940183374).

210120120220210 is a wasteful number, since it uses less digits than its factorization.

210120120220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454530.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210120120220210 its reverse (12022021021012), we get a palindrome (222142141241222).

The spelling of 210120120220210 in words is "two hundred ten trillion, one hundred twenty billion, one hundred twenty million, two hundred twenty thousand, two hundred ten".