1122011000 has 64 divisors (see below), whose sum is σ = 2864216160. Its totient is φ = 408000000.

The previous prime is 1122010979. The next prime is 1122011029. The reversal of 1122011000 is 1102211.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40001 + ... + 62000.

Almost surely, 2^1122011000 is an apocalyptic number.

1122011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122011000 is an abundant number, since it is smaller than the sum of its proper divisors (1742205160).

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

1122011000 is a wasteful number, since it uses less digits than its factorization.

1122011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102033 (or 102019 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1122011000 is about 33496.4326458804. The cubic root of 1122011000 is about 1039.1200026405.

Adding to 1122011000 its reverse (1102211), we get a palindrome (1123113211).

The spelling of 1122011000 in words is "one billion, one hundred twenty-two million, eleven thousand".