11122321000 has 64 divisors (see below), whose sum is σ = 29744282880. Its totient is φ = 3813364800.

The previous prime is 11122320973. The next prime is 11122321033. The reversal of 11122321000 is 12322111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787452 + ... + 801451.

It is an arithmetic number, because the mean of its divisors is an integer number (464754420).

Almost surely, 2^11122321000 is an apocalyptic number.

11122321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122321000 is an abundant number, since it is smaller than the sum of its proper divisors (18621961880).

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

11122321000 is a wasteful number, since it uses less digits than its factorization.

11122321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588931 (or 1588917 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11122321000 its reverse (12322111), we get a palindrome (11134643111).

The spelling of 11122321000 in words is "eleven billion, one hundred twenty-two million, three hundred twenty-one thousand".