1121102000 has 40 divisors (see below), whose sum is σ = 2710829472. Its totient is φ = 448440000.

The previous prime is 1121101997. The next prime is 1121102033. The reversal of 1121102000 is 2011211.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278276 + ... + 282275.

Almost surely, 2^1121102000 is an apocalyptic number.

1121102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121102000 is an abundant number, since it is smaller than the sum of its proper divisors (1589727472).

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

1121102000 is an equidigital number, since it uses as much as digits as its factorization.

1121102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560574 (or 560558 counting only the distinct ones).

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

The square root of 1121102000 is about 33482.8612875304. The cubic root of 1121102000 is about 1038.8393116085.

Adding to 1121102000 its reverse (2011211), we get a palindrome (1123113211).

The spelling of 1121102000 in words is "one billion, one hundred twenty-one million, one hundred two thousand".