11001123562020 has 96 divisors (see below), whose sum is σ = 31264516297728. Its totient is φ = 2889697464192.

The previous prime is 11001123562019. The next prime is 11001123562081. The reversal of 11001123562020 is 2026532110011.

It is a happy number.

It is a super-2 number, since 2×11001123562020² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92412577 + ... + 92531543.

It is an arithmetic number, because the mean of its divisors is an integer number (325672044768).

Almost surely, 2^{11001123562020} is an apocalyptic number.

11001123562020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001123562020 is an abundant number, since it is smaller than the sum of its proper divisors (20263392735708).

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

11001123562020 is a wasteful number, since it uses less digits than its factorization.

11001123562020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142049 (or 142047 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 11001123562020 its reverse (2026532110011), we get a palindrome (13027655672031).

The spelling of 11001123562020 in words is "eleven trillion, one billion, one hundred twenty-three million, five hundred sixty-two thousand, twenty".