20012200111110 has 128 divisors (see below), whose sum is σ = 51096330399744. Its totient is φ = 4998834432000.

The previous prime is 20012200111081. The next prime is 20012200111117. The reversal of 20012200111110 is 1111100221002.

It is a super-2 number, since 2×20012200111110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012200111117) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 112132767 + ... + 112311093.

It is an arithmetic number, because the mean of its divisors is an integer number (399190081248).

Almost surely, 2^{20012200111110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012200111110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25548165199872).

20012200111110 is an abundant number, since it is smaller than the sum of its proper divisors (31084130288634).

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

20012200111110 is a wasteful number, since it uses less digits than its factorization.

20012200111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179398.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20012200111110 its reverse (1111100221002), we get a palindrome (21123300332112).

The spelling of 20012200111110 in words is "twenty trillion, twelve billion, two hundred million, one hundred eleven thousand, one hundred ten".