201110000121020 has 96 divisors (see below), whose sum is σ = 456566954901120. Its totient is φ = 74182715228160.

The previous prime is 201110000121013. The next prime is 201110000121029. The reversal of 201110000121020 is 20121000011102.

201110000121020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201110000120992 and 201110000121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110000121029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2222561 + ... + 20178200.

It is an arithmetic number, because the mean of its divisors is an integer number (4755905780220).

Almost surely, 2^{201110000121020} is an apocalyptic number.

201110000121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201110000121020 is an abundant number, since it is smaller than the sum of its proper divisors (255456954780100).

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

201110000121020 is a wasteful number, since it uses less digits than its factorization.

201110000121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22401495 (or 22401493 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201110000121020 its reverse (20121000011102), we get a palindrome (221231000132122).

The spelling of 201110000121020 in words is "two hundred one trillion, one hundred ten billion, one hundred twenty-one thousand, twenty".