2011121222110 has 256 divisors, whose sum is σ = 4946849832960. Its totient is φ = 568417282560.

The previous prime is 2011121222083. The next prime is 2011121222129. The reversal of 2011121222110 is 112221211102.

It is a congruent 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 127 ways as a sum of consecutive naturals, for example, 148711809 + ... + 148725331.

It is an arithmetic number, because the mean of its divisors is an integer number (19323632160).

Almost surely, 2^{2011121222110} is an apocalyptic number.

2011121222110 is an abundant number, since it is smaller than the sum of its proper divisors (2935728610850).

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

2011121222110 is a wasteful number, since it uses less digits than its factorization.

2011121222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13823.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011121222110 its reverse (112221211102), we get a palindrome (2123342433212).

The spelling of 2011121222110 in words is "two trillion, eleven billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred ten".