2100001022210 has 256 divisors, whose sum is σ = 5124368793600. Its totient is φ = 600577680384.

The previous prime is 2100001022209. The next prime is 2100001022263. The reversal of 2100001022210 is 122201000012.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2100001022191 and 2100001022200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 145937696 + ... + 145952084.

It is an arithmetic number, because the mean of its divisors is an integer number (20017065600).

Almost surely, 2^{2100001022210} is an apocalyptic number.

2100001022210 is an abundant number, since it is smaller than the sum of its proper divisors (3024367771390).

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

2100001022210 is a wasteful number, since it uses less digits than its factorization.

2100001022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14825.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100001022210 its reverse (122201000012), we get a palindrome (2222202022222).

The spelling of 2100001022210 in words is "two trillion, one hundred billion, one million, twenty-two thousand, two hundred ten".