1004033421111 has 32 divisors (see below), whose sum is σ = 1622235087360. Its totient is φ = 539569437696.

The previous prime is 1004033421101. The next prime is 1004033421121. The reversal of 1004033421111 is 1111243304001.

It is an interprime number because it is at equal distance from previous prime (1004033421101) and next prime (1004033421121).

It is not a de Polignac number, because 1004033421111 - 2⁶ = 1004033421047 is a prime.

It is a super-2 number, since 2×1004033421111² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004033421101) 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, 9129186 + ... + 9238511.

It is an arithmetic number, because the mean of its divisors is an integer number (50694846480).

Almost surely, 2^{1004033421111} is an apocalyptic number.

1004033421111 is a deficient number, since it is larger than the sum of its proper divisors (618201666249).

1004033421111 is a wasteful number, since it uses less digits than its factorization.

1004033421111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18367863.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1004033421111 its reverse (1111243304001), we get a palindrome (2115276725112).

The spelling of 1004033421111 in words is "one trillion, four billion, thirty-three million, four hundred twenty-one thousand, one hundred eleven".