11123102012020 has 96 divisors (see below), whose sum is σ = 23757958990080. Its totient is φ = 4373548462080.

The previous prime is 11123102011969. The next prime is 11123102012023. The reversal of 11123102012020 is 2021020132111.

It is a super-3 number, since 3×11123102012020³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11123102011985 and 11123102012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123102012023) 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, 690996612 + ... + 691012708.

It is an arithmetic number, because the mean of its divisors is an integer number (247478739480).

Almost surely, 2^{11123102012020} is an apocalyptic number.

11123102012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123102012020 is an abundant number, since it is smaller than the sum of its proper divisors (12634856978060).

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

11123102012020 is a wasteful number, since it uses less digits than its factorization.

11123102012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17593 (or 17591 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11123102012020 its reverse (2021020132111), we get a palindrome (13144122144131).

The spelling of 11123102012020 in words is "eleven trillion, one hundred twenty-three billion, one hundred two million, twelve thousand, twenty".