10111200120020 has 48 divisors (see below), whose sum is σ = 21344150697408. Its totient is φ = 4023443043840.

The previous prime is 10111200120013. The next prime is 10111200120041. The reversal of 10111200120020 is 2002100211101.

10111200120020 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 = 10111200119983 and 10111200120010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3456959 + ... + 5672121.

It is an arithmetic number, because the mean of its divisors is an integer number (444669806196).

Almost surely, 2^{10111200120020} is an apocalyptic number.

10111200120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111200120020 is an abundant number, since it is smaller than the sum of its proper divisors (11232950577388).

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

10111200120020 is a wasteful number, since it uses less digits than its factorization.

10111200120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216360 (or 2216358 counting only the distinct ones).

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

Adding to 10111200120020 its reverse (2002100211101), we get a palindrome (12113300331121).

The spelling of 10111200120020 in words is "ten trillion, one hundred eleven billion, two hundred million, one hundred twenty thousand, twenty".