2100221002210 has 16 divisors (see below), whose sum is σ = 3780438303096. Its totient is φ = 840079401088.

The previous prime is 2100221002199. The next prime is 2100221002223. The reversal of 2100221002210 is 122001220012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1696003522249 + 404217479961 = 1302307^2 + 635781^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100417 + ... + 2051956.

Almost surely, 2^{2100221002210} is an apocalyptic number.

2100221002210 is a deficient number, since it is larger than the sum of its proper divisors (1680217300886).

2100221002210 is a wasteful number, since it uses less digits than its factorization.

2100221002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249957.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100221002210 its reverse (122001220012), we get a palindrome (2222222222222).

The spelling of 2100221002210 in words is "two trillion, one hundred billion, two hundred twenty-one million, two thousand, two hundred ten".