2210222121010 has 64 divisors (see below), whose sum is σ = 4165440751584. Its totient is φ = 843579443200.

The previous prime is 2210222120999. The next prime is 2210222121043. The reversal of 2210222121010 is 101212220122.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 504541716721 + 1705680404289 = 710311^2 + 1306017^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6727980 + ... + 7048840.

Almost surely, 2^{2210222121010} is an apocalyptic number.

2210222121010 is a deficient number, since it is larger than the sum of its proper divisors (1955218630574).

2210222121010 is a wasteful number, since it uses less digits than its factorization.

2210222121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321279.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2210222121010 its reverse (101212220122), we get a palindrome (2311434341132).

The spelling of 2210222121010 in words is "two trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty-one thousand, ten".