100203312132321 has 16 divisors (see below), whose sum is σ = 134082367253568. Its totient is φ = 66563241382400.

The previous prime is 100203312132277. The next prime is 100203312132323. The reversal of 100203312132321 is 123231213302001.

It is a cyclic number.

It is not a de Polignac number, because 100203312132321 - 2⁶ = 100203312132257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100203312132291 and 100203312132300.

It is not an unprimeable number, because it can be changed into a prime (100203312132323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45471586 + ... + 47624276.

It is an arithmetic number, because the mean of its divisors is an integer number (8380147953348).

Almost surely, 2^{100203312132321} is an apocalyptic number.

It is an amenable number.

100203312132321 is a deficient number, since it is larger than the sum of its proper divisors (33879055121247).

100203312132321 is a wasteful number, since it uses less digits than its factorization.

100203312132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208192.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 100203312132321 its reverse (123231213302001), we get a palindrome (223434525434322).

The spelling of 100203312132321 in words is "one hundred trillion, two hundred three billion, three hundred twelve million, one hundred thirty-two thousand, three hundred twenty-one".