11210112020 has 12 divisors (see below), whose sum is σ = 23541235284. Its totient is φ = 4484044800.

The previous prime is 11210112019. The next prime is 11210112029. The reversal of 11210112020 is 2021101211.

It can be written as a sum of positive squares in 2 ways, for example, as 3196997764 + 8013114256 = 56542^2 + 89516^2 .

It is a super-2 number, since 2×11210112020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11210111992 and 11210112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210112029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280252781 + ... + 280252820.

It is an arithmetic number, because the mean of its divisors is an integer number (1961769607).

Almost surely, 2^11210112020 is an apocalyptic number.

11210112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210112020 is an abundant number, since it is smaller than the sum of its proper divisors (12331123264).

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

11210112020 is a wasteful number, since it uses less digits than its factorization.

11210112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560505610 (or 560505608 counting only the distinct ones).

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

Adding to 11210112020 its reverse (2021101211), we get a palindrome (13231213231).

The spelling of 11210112020 in words is "eleven billion, two hundred ten million, one hundred twelve thousand, twenty".