20110222000000 has 448 divisors, whose sum is σ = 55148144094720. Its totient is φ = 7243616000000.

The previous prime is 20110221999949. The next prime is 20110222000007. The reversal of 20110222000000 is 22201102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110222000007) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2353995729 + ... + 2354004271.

Almost surely, 2^{20110222000000} is an apocalyptic number.

20110222000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110222000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27574072047360).

20110222000000 is an abundant number, since it is smaller than the sum of its proper divisors (35037922094720).

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

20110222000000 is an frugal number, since it uses more digits than its factorization.

20110222000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705 (or 8668 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20110222000000 its reverse (22201102), we get a palindrome (20110244201102).

The spelling of 20110222000000 in words is "twenty trillion, one hundred ten billion, two hundred twenty-two million", and thus it is an aban number.