20011122112210 has 32 divisors (see below), whose sum is σ = 38139335164080. Its totient is φ = 7533501990912.

The previous prime is 20011122112207. The next prime is 20011122112211. The reversal of 20011122112210 is 1221122111002.

20011122112210 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 15607390483161 + 4403731629049 = 3950619^2 + 2098507^2 .

It is not an unprimeable number, because it can be changed into a prime (20011122112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13256022 + ... + 14688238.

Almost surely, 2^{20011122112210} is an apocalyptic number.

20011122112210 is a deficient number, since it is larger than the sum of its proper divisors (18128213051870).

20011122112210 is a wasteful number, since it uses less digits than its factorization.

20011122112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514430.

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

Adding to 20011122112210 its reverse (1221122111002), we get a palindrome (21232244223212).

The spelling of 20011122112210 in words is "twenty trillion, eleven billion, one hundred twenty-two million, one hundred twelve thousand, two hundred ten".