2021210100210 has 64 divisors (see below), whose sum is σ = 5544860205312. Its totient is φ = 461910076416.

The previous prime is 2021210100187. The next prime is 2021210100223. The reversal of 2021210100210 is 120010121202.

It is a Curzon number.

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, 365934 + ... + 2043606.

It is an arithmetic number, because the mean of its divisors is an integer number (86638440708).

Almost surely, 2^{2021210100210} is an apocalyptic number.

2021210100210 is an abundant number, since it is smaller than the sum of its proper divisors (3523650105102).

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

2021210100210 is a wasteful number, since it uses less digits than its factorization.

2021210100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683427.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2021210100210 its reverse (120010121202), we get a palindrome (2141220221412).

The spelling of 2021210100210 in words is "two trillion, twenty-one billion, two hundred ten million, one hundred thousand, two hundred ten".