2011222232210 has 32 divisors (see below), whose sum is σ = 3836272278960. Its totient is φ = 756549855232.

The previous prime is 2011222232191. The next prime is 2011222232233. The reversal of 2011222232210 is 122322221102.

It can be written as a sum of positive squares in 8 ways, for example, as 1460015472721 + 551206759489 = 1208311^2 + 742433^2 .

It is a super-2 number, since 2×2011222232210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4604219 + ... + 5022078.

Almost surely, 2^{2011222232210} is an apocalyptic number.

2011222232210 is a deficient number, since it is larger than the sum of its proper divisors (1825050046750).

2011222232210 is a wasteful number, since it uses less digits than its factorization.

2011222232210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9627550.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2011222232210 its reverse (122322221102), we get a palindrome (2133544453312).

The spelling of 2011222232210 in words is "two trillion, eleven billion, two hundred twenty-two million, two hundred thirty-two thousand, two hundred ten".