100203220312001 has 4 divisors (see below), whose sum is σ = 100228607501232. Its totient is φ = 100177833122772.

The previous prime is 100203220311973. The next prime is 100203220312021. The reversal of 100203220312001 is 100213022302001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100203220312001 - 2¹⁸ = 100203220049857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100203220312021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12693588695 + ... + 12693596588.

It is an arithmetic number, because the mean of its divisors is an integer number (25057151875308).

Almost surely, 2^{100203220312001} is an apocalyptic number.

It is an amenable number.

100203220312001 is a deficient number, since it is larger than the sum of its proper divisors (25387189231).

100203220312001 is an equidigital number, since it uses as much as digits as its factorization.

100203220312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25387189230.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100203220312001 its reverse (100213022302001), we get a palindrome (200416242614002).

The spelling of 100203220312001 in words is "one hundred trillion, two hundred three billion, two hundred twenty million, three hundred twelve thousand, one".