102100321321003 has 32 divisors (see below), whose sum is σ = 112826852812800. Its totient is φ = 92067036437376.

The previous prime is 102100321320989. The next prime is 102100321321069. The reversal of 102100321321003 is 300123123001201.

It is a de Polignac number, because none of the positive numbers 2^k-102100321321003 is a prime.

It is a super-2 number, since 2×102100321321003² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100391321003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9248725 + ... + 17021737.

It is an arithmetic number, because the mean of its divisors is an integer number (3525839150400).

Almost surely, 2^{102100321321003} is an apocalyptic number.

102100321321003 is a deficient number, since it is larger than the sum of its proper divisors (10726531491797).

102100321321003 is a wasteful number, since it uses less digits than its factorization.

102100321321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773531.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102100321321003 its reverse (300123123001201), we get a palindrome (402223444322204).

The spelling of 102100321321003 in words is "one hundred two trillion, one hundred billion, three hundred twenty-one million, three hundred twenty-one thousand, three".