1011001003200 has 168 divisors, whose sum is σ = 3685473258960. Its totient is φ = 269600256000.

The previous prime is 1011001003183. The next prime is 1011001003213. The reversal of 1011001003200 is 23001001101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11658201 + ... + 11744600.

Almost surely, 2^{1011001003200} is an apocalyptic number.

1011001003200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011001003200 is an abundant number, since it is smaller than the sum of its proper divisors (2674472255760).

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

1011001003200 is a wasteful number, since it uses less digits than its factorization.

1011001003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23402832 (or 23402811 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 1011001003200 its reverse (23001001101), we get a palindrome (1034002004301).

The spelling of 1011001003200 in words is "one trillion, eleven billion, one million, three thousand, two hundred".