1103203212001 has 8 divisors (see below), whose sum is σ = 1244994220800. Its totient is φ = 968328837840.

The previous prime is 1103203211987. The next prime is 1103203212011. The reversal of 1103203212001 is 1002123023011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1103203212001 - 2²⁹ = 1102666341089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103203212011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729158321 + ... + 1729158958.

It is an arithmetic number, because the mean of its divisors is an integer number (155624277600).

Almost surely, 2^{1103203212001} is an apocalyptic number.

1103203212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1103203212001 is a deficient number, since it is larger than the sum of its proper divisors (141791008799).

1103203212001 is a wasteful number, since it uses less digits than its factorization.

1103203212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458317319.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1103203212001 its reverse (1002123023011), we get a palindrome (2105326235012).

The spelling of 1103203212001 in words is "one trillion, one hundred three billion, two hundred three million, two hundred twelve thousand, one".