210211220101010 has 24 divisors (see below), whose sum is σ = 384111952410060. Its totient is φ = 82829495663904.

The previous prime is 210211220101009. The next prime is 210211220101037. The reversal of 210211220101010 is 10101022112012.

It can be written as a sum of positive squares in 2 ways, for example, as 204797021754361 + 5414198346649 = 14310731^2 + 2326843^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2341358765 + ... + 2341448544.

Almost surely, 2^{210211220101010} is an apocalyptic number.

210211220101010 is a deficient number, since it is larger than the sum of its proper divisors (173900732309050).

210211220101010 is an equidigital number, since it uses as much as digits as its factorization.

210211220101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682807450 (or 4682807383 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210211220101010 its reverse (10101022112012), we get a palindrome (220312242213022).

The spelling of 210211220101010 in words is "two hundred ten trillion, two hundred eleven billion, two hundred twenty million, one hundred one thousand, ten".