1121330000021 has 32 divisors (see below), whose sum is σ = 1412720483328. Its totient is φ = 864580631040.

The previous prime is 1121329999997. The next prime is 1121330000041. The reversal of 1121330000021 is 1200000331211.

It is a de Polignac number, because none of the positive numbers 2^k-1121330000021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121329999960 and 1121330000005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121330000041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46318106 + ... + 46342308.

It is an arithmetic number, because the mean of its divisors is an integer number (44147515104).

Almost surely, 2^{1121330000021} is an apocalyptic number.

1121330000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121330000021 is a deficient number, since it is larger than the sum of its proper divisors (291390483307).

1121330000021 is a wasteful number, since it uses less digits than its factorization.

1121330000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30521.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1121330000021 its reverse (1200000331211), we get a palindrome (2321330331232).

The spelling of 1121330000021 in words is "one trillion, one hundred twenty-one billion, three hundred thirty million, twenty-one", and thus it is an aban number.