20112211022000 has 80 divisors (see below), whose sum is σ = 50308268680800. Its totient is φ = 7767474579200.

The previous prime is 20112211021967. The next prime is 20112211022021. The reversal of 20112211022000 is 22011221102.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 173323130 + ... + 173439129.

It is an arithmetic number, because the mean of its divisors is an integer number (628853358510).

Almost surely, 2^{20112211022000} is an apocalyptic number.

20112211022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112211022000 is an abundant number, since it is smaller than the sum of its proper divisors (30196057658800).

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

20112211022000 is a wasteful number, since it uses less digits than its factorization.

20112211022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346762311 (or 346762295 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20112211022000 its reverse (22011221102), we get a palindrome (20134222243102).

The spelling of 20112211022000 in words is "twenty trillion, one hundred twelve billion, two hundred eleven million, twenty-two thousand".