1113211000 has 128 divisors (see below), whose sum is σ = 3009389760. Its totient is φ = 380928000.

The previous prime is 1113210979. The next prime is 1113211009. The reversal of 1113211000 is 1123111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113211009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184024 + ... + 189976.

Almost surely, 2^1113211000 is an apocalyptic number.

1113211000 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 1113211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504694880).

1113211000 is an abundant number, since it is smaller than the sum of its proper divisors (1896178760).

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

1113211000 is a wasteful number, since it uses less digits than its factorization.

1113211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6002 (or 5988 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1113211000 is about 33364.8167985379. The cubic root of 1113211000 is about 1036.3962423404.

Adding to 1113211000 its reverse (1123111), we get a palindrome (1114334111).

The spelling of 1113211000 in words is "one billion, one hundred thirteen million, two hundred eleven thousand".