2011221022210 has 32 divisors (see below), whose sum is σ = 3784237004160. Its totient is φ = 768158210688.

The previous prime is 2011221022147. The next prime is 2011221022229. The reversal of 2011221022210 is 122201221102.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 7553172 + ... + 7814911.

It is an arithmetic number, because the mean of its divisors is an integer number (118257406380).

Almost surely, 2^{2011221022210} is an apocalyptic number.

2011221022210 is a deficient number, since it is larger than the sum of its proper divisors (1773015981950).

2011221022210 is a wasteful number, since it uses less digits than its factorization.

2011221022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15368682.

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

Adding to 2011221022210 its reverse (122201221102), we get a palindrome (2133422243312).

The spelling of 2011221022210 in words is "two trillion, eleven billion, two hundred twenty-one million, twenty-two thousand, two hundred ten".