20112011122210 has 16 divisors (see below), whose sum is σ = 41373280022976. Its totient is φ = 6895546670448.

The previous prime is 20112011122171. The next prime is 20112011122237. The reversal of 20112011122210 is 1222111021102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143657222232 + ... + 143657222371.

It is an arithmetic number, because the mean of its divisors is an integer number (2585830001436).

Almost surely, 2^{20112011122210} is an apocalyptic number.

20112011122210 is an abundant number, since it is smaller than the sum of its proper divisors (21261268900766).

20112011122210 is a wasteful number, since it uses less digits than its factorization.

20112011122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287314444617.

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

Adding to 20112011122210 its reverse (1222111021102), we get a palindrome (21334122143312).

The spelling of 20112011122210 in words is "twenty trillion, one hundred twelve billion, eleven million, one hundred twenty-two thousand, two hundred ten".