1133331000021 has 120 divisors (see below), whose sum is σ = 1998138808512. Its totient is φ = 637351545600.

The previous prime is 1133330999939. The next prime is 1133331000031. The reversal of 1133331000021 is 1200001333311.

It is a happy number.

1133331000021 is a `hidden beast` number, since 1 + 1 + 333 + 310 + 0 + 0 + 0 + 21 = 666.

It is not a de Polignac number, because 1133331000021 - 2⁹ = 1133330999509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1133330999958 and 1133331000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133331000031) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 11781906 + ... + 11877708.

Almost surely, 2^{1133331000021} is an apocalyptic number.

1133331000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1133331000021 is a deficient number, since it is larger than the sum of its proper divisors (864807808491).

1133331000021 is a wasteful number, since it uses less digits than its factorization.

1133331000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95925 (or 95905 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1133331000021 its reverse (1200001333311), we get a palindrome (2333332333332).

The spelling of 1133331000021 in words is "one trillion, one hundred thirty-three billion, three hundred thirty-one million, twenty-one", and thus it is an aban number.