2101211010210 has 64 divisors (see below), whose sum is σ = 5431272053760. Its totient is φ = 517178338560.

The previous prime is 2101211010181. The next prime is 2101211010251. The reversal of 2101211010210 is 120101121012.

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 31 ways as a sum of consecutive naturals, for example, 4627311 + ... + 5061069.

It is an arithmetic number, because the mean of its divisors is an integer number (84863625840).

Almost surely, 2^{2101211010210} is an apocalyptic number.

2101211010210 is an abundant number, since it is smaller than the sum of its proper divisors (3330061043550).

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

2101211010210 is a wasteful number, since it uses less digits than its factorization.

2101211010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446203.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2101211010210 its reverse (120101121012), we get a palindrome (2221312131222).

The spelling of 2101211010210 in words is "two trillion, one hundred one billion, two hundred eleven million, ten thousand, two hundred ten".