11231103020 has 12 divisors (see below), whose sum is σ = 23585316384. Its totient is φ = 4492441200.

The previous prime is 11231102969. The next prime is 11231103031. The reversal of 11231103020 is 2030113211.

It is a super-2 number, since 2×11231103020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231102986 and 11231103004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280777556 + ... + 280777595.

It is an arithmetic number, because the mean of its divisors is an integer number (1965443032).

Almost surely, 2^11231103020 is an apocalyptic number.

11231103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231103020 is an abundant number, since it is smaller than the sum of its proper divisors (12354213364).

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

11231103020 is a wasteful number, since it uses less digits than its factorization.

11231103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561555160 (or 561555158 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11231103020 its reverse (2030113211), we get a palindrome (13261216231).

The spelling of 11231103020 in words is "eleven billion, two hundred thirty-one million, one hundred three thousand, twenty".