101320212121331 has 4 divisors (see below), whose sum is σ = 115794528138672. Its totient is φ = 86845896103992.

The previous prime is 101320212121279. The next prime is 101320212121361. The reversal of 101320212121331 is 133121212023101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101320212121331 - 2⁴² = 96922165610227 is a prime.

It is a super-2 number, since 2×101320212121331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101320212121297 and 101320212121306.

It is not an unprimeable number, because it can be changed into a prime (101320212121361) 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, 7237158008660 + ... + 7237158008673.

It is an arithmetic number, because the mean of its divisors is an integer number (28948632034668).

Almost surely, 2^{101320212121331} is an apocalyptic number.

101320212121331 is a deficient number, since it is larger than the sum of its proper divisors (14474316017341).

101320212121331 is an equidigital number, since it uses as much as digits as its factorization.

101320212121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14474316017340.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 101320212121331 its reverse (133121212023101), we get a palindrome (234441424144432).

The spelling of 101320212121331 in words is "one hundred one trillion, three hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, three hundred thirty-one".