1130012021000 has 128 divisors (see below), whose sum is σ = 2658598731360. Its totient is φ = 449552896000.

The previous prime is 1130012020961. The next prime is 1130012021027. The reversal of 1130012021000 is 1202100311.

It can be written as a sum of positive squares in 16 ways, for example, as 100424342404 + 1029587678596 = 316898^2 + 1014686^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255598790 + ... + 255603210.

Almost surely, 2^{1130012021000} is an apocalyptic number.

1130012021000 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 1130012021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329299365680).

1130012021000 is an abundant number, since it is smaller than the sum of its proper divisors (1528586710360).

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

1130012021000 is a wasteful number, since it uses less digits than its factorization.

1130012021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772 (or 5758 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1130012021000 its reverse (1202100311), we get a palindrome (1131214121311).

The spelling of 1130012021000 in words is "one trillion, one hundred thirty billion, twelve million, twenty-one thousand".