2103111133020 has 144 divisors (see below), whose sum is σ = 6388538476320. Its totient is φ = 560030220288.

The previous prime is 2103111133009. The next prime is 2103111133091. The reversal of 2103111133020 is 203311113012.

2103111133020 is a `hidden beast` number, since 2 + 1 + 0 + 311 + 1 + 1 + 330 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2103111132984 and 2103111133002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 568867812 + ... + 568871508.

It is an arithmetic number, because the mean of its divisors is an integer number (44364850530).

Almost surely, 2^{2103111133020} is an apocalyptic number.

2103111133020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103111133020 is an abundant number, since it is smaller than the sum of its proper divisors (4285427343300).

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

2103111133020 is a wasteful number, since it uses less digits than its factorization.

2103111133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364 (or 7359 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2103111133020 its reverse (203311113012), we get a palindrome (2306422246032).

The spelling of 2103111133020 in words is "two trillion, one hundred three billion, one hundred eleven million, one hundred thirty-three thousand, twenty".