11022123012 has 24 divisors (see below), whose sum is σ = 25720060800. Its totient is φ = 3673787616.

The previous prime is 11022122977. The next prime is 11022123023. The reversal of 11022123012 is 21032122011.

It is a junction number, because it is equal to n+sod(n) for n = 11022122982 and 11022123000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249189 + ... + 290067.

It is an arithmetic number, because the mean of its divisors is an integer number (1071669200).

Almost surely, 2^11022123012 is an apocalyptic number.

11022123012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11022123012 is an abundant number, since it is smaller than the sum of its proper divisors (14697937788).

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

11022123012 is a wasteful number, since it uses less digits than its factorization.

11022123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63355 (or 63353 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11022123012 its reverse (21032122011), we get a palindrome (32054245023).

The spelling of 11022123012 in words is "eleven billion, twenty-two million, one hundred twenty-three thousand, twelve".