1111201001200 has 60 divisors (see below), whose sum is σ = 2673132745360. Its totient is φ = 443902279680.

The previous prime is 1111201001149. The next prime is 1111201001219. The reversal of 1111201001200 is 21001021111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1498644 + ... + 2113843.

Almost surely, 2^{1111201001200} is an apocalyptic number.

1111201001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111201001200 is an abundant number, since it is smaller than the sum of its proper divisors (1561931744160).

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

1111201001200 is a wasteful number, since it uses less digits than its factorization.

1111201001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613274 (or 3613263 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1111201001200 its reverse (21001021111), we get a palindrome (1132202022311).

The spelling of 1111201001200 in words is "one trillion, one hundred eleven billion, two hundred one million, one thousand, two hundred".