2100221222010 has 64 divisors (see below), whose sum is σ = 5191182432000. Its totient is φ = 543404270592.

The previous prime is 2100221221997. The next prime is 2100221222041. The reversal of 2100221222010 is 102221220012.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2236735 + ... + 3033714.

It is an arithmetic number, because the mean of its divisors is an integer number (81112225500).

Almost surely, 2^{2100221222010} is an apocalyptic number.

2100221222010 is an abundant number, since it is smaller than the sum of its proper divisors (3090961209990).

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

2100221222010 is a wasteful number, since it uses less digits than its factorization.

2100221222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5270855.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2100221222010 its reverse (102221220012), we get a palindrome (2202442442022).

The spelling of 2100221222010 in words is "two trillion, one hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, ten".