1011122000 has 80 divisors (see below), whose sum is σ = 2794202112. Its totient is φ = 346665600.

The previous prime is 1011121997. The next prime is 1011122011. The reversal of 1011122000 is 2211101.

1011122000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22112 + ... + 50111.

Almost surely, 2^1011122000 is an apocalyptic number.

1011122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011122000 is an abundant number, since it is smaller than the sum of its proper divisors (1783080112).

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

1011122000 is an equidigital number, since it uses as much as digits as its factorization.

1011122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72253 (or 72237 counting only the distinct ones).

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

The square root of 1011122000 is about 31798.1445999605. The cubic root of 1011122000 is about 1003.6936733129.

Adding to 1011122000 its reverse (2211101), we get a palindrome (1013333101).

The spelling of 1011122000 in words is "one billion, eleven million, one hundred twenty-two thousand".