20110021110000 has 150 divisors (see below), whose sum is σ = 70327648917240. Its totient is φ = 5362672272000.

The previous prime is 20110021109911. The next prime is 20110021110013. The reversal of 20110021110000 is 1112001102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (150).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

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 29 ways as a sum of consecutive naturals, for example, 111632340 + ... + 111812339.

Almost surely, 2^{20110021110000} is an apocalyptic number.

20110021110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110021110000 is an abundant number, since it is smaller than the sum of its proper divisors (50217627807240).

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

20110021110000 is a wasteful number, since it uses less digits than its factorization.

20110021110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223444713 (or 223444689 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20110021110000 its reverse (1112001102), we get a palindrome (20111133111102).

The spelling of 20110021110000 in words is "twenty trillion, one hundred ten billion, twenty-one million, one hundred ten thousand".