11231022000 has 160 divisors (see below), whose sum is σ = 39500757504. Its totient is φ = 2722656000.

The previous prime is 11231021993. The next prime is 11231022007. The reversal of 11231022000 is 22013211.

It is an interprime number because it is at equal distance from previous prime (11231021993) and next prime (11231022007).

It is a super-2 number, since 2×11231022000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11231022007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19084 + ... + 151083.

Almost surely, 2^11231022000 is an apocalyptic number.

11231022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11231022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19750378752).

11231022000 is an abundant number, since it is smaller than the sum of its proper divisors (28269735504).

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

11231022000 is a wasteful number, since it uses less digits than its factorization.

11231022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170204 (or 170188 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11231022000 its reverse (22013211), we get a palindrome (11253035211).

The spelling of 11231022000 in words is "eleven billion, two hundred thirty-one million, twenty-two thousand".