101321112003 has 8 divisors (see below), whose sum is σ = 135520983888. Its totient is φ = 67334324064.

The previous prime is 101321111909. The next prime is 101321112041. The reversal of 101321112003 is 300211123101.

It is a happy number.

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

It is not a de Polignac number, because 101321112003 - 2¹⁴ = 101321095619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101321112203) 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, 53269876 + ... + 53271777.

It is an arithmetic number, because the mean of its divisors is an integer number (16940122986).

Almost surely, 2^101321112003 is an apocalyptic number.

101321112003 is a deficient number, since it is larger than the sum of its proper divisors (34199871885).

101321112003 is a wasteful number, since it uses less digits than its factorization.

101321112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106541973.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101321112003 its reverse (300211123101), we get a palindrome (401532235104).

The spelling of 101321112003 in words is "one hundred one billion, three hundred twenty-one million, one hundred twelve thousand, three".