100020201211321 has 4 divisors (see below), whose sum is σ = 103246659314944. Its totient is φ = 96793743107700.

The previous prime is 100020201211181. The next prime is 100020201211331. The reversal of 100020201211321 is 123112102020001.

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 100020201211321 - 2¹³ = 100020201203129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100020201211295 and 100020201211304.

It is not an unprimeable number, because it can be changed into a prime (100020201211331) 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, 1613229051765 + ... + 1613229051826.

It is an arithmetic number, because the mean of its divisors is an integer number (25811664828736).

Almost surely, 2^{100020201211321} is an apocalyptic number.

It is an amenable number.

100020201211321 is a deficient number, since it is larger than the sum of its proper divisors (3226458103623).

100020201211321 is an equidigital number, since it uses as much as digits as its factorization.

100020201211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226458103622.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100020201211321 its reverse (123112102020001), we get a palindrome (223132303231322).

The spelling of 100020201211321 in words is "one hundred trillion, twenty billion, two hundred one million, two hundred eleven thousand, three hundred twenty-one".