1043004020100 has 144 divisors (see below), whose sum is σ = 3449195904000. Its totient is φ = 238378158720.

The previous prime is 1043004020017. The next prime is 1043004020141. The reversal of 1043004020100 is 10204003401.

It is a super-2 number, since 2×1043004020100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1043004020100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32784001 + ... + 32815799.

Almost surely, 2^{1043004020100} is an apocalyptic number.

1043004020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043004020100 is an abundant number, since it is smaller than the sum of its proper divisors (2406191883900).

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

1043004020100 is a wasteful number, since it uses less digits than its factorization.

1043004020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47442 (or 47435 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1043004020100 its reverse (10204003401), we get a palindrome (1053208023501).

The spelling of 1043004020100 in words is "one trillion, forty-three billion, four million, twenty thousand, one hundred".