10100020111120 has 40 divisors (see below), whose sum is σ = 23715047240280. Its totient is φ = 4000007961600.

The previous prime is 10100020111081. The next prime is 10100020111183. The reversal of 10100020111120 is 2111102000101.

It can be written as a sum of positive squares in 4 ways, for example, as 2880094103056 + 7219926008064 = 1697084^2 + 2686992^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a junction number, because it is equal to n+sod(n) for n = 10100020111097 and 10100020111106.

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 7 ways as a sum of consecutive naturals, for example, 624993165 + ... + 625009324.

It is an arithmetic number, because the mean of its divisors is an integer number (592876181007).

Almost surely, 2^{10100020111120} is an apocalyptic number.

10100020111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100020111120 is an abundant number, since it is smaller than the sum of its proper divisors (13615027129160).

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

10100020111120 is a wasteful number, since it uses less digits than its factorization.

10100020111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250002603 (or 1250002597 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10100020111120 its reverse (2111102000101), we get a palindrome (12211122111221).

The spelling of 10100020111120 in words is "ten trillion, one hundred billion, twenty million, one hundred eleven thousand, one hundred twenty".