101331001220131 has 4 divisors (see below), whose sum is σ = 101359812995392. Its totient is φ = 101302189444872.

The previous prime is 101331001220101. The next prime is 101331001220167. The reversal of 101331001220131 is 131022100133101.

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 101331001220131 - 2¹⁹ = 101331000695843 is a prime.

It is a super-2 number, since 2×101331001220131² (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 = 101331001220099 and 101331001220108.

It is not an unprimeable number, because it can be changed into a prime (101331001220101) 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, 14405882355 + ... + 14405889388.

It is an arithmetic number, because the mean of its divisors is an integer number (25339953248848).

Almost surely, 2^{101331001220131} is an apocalyptic number.

101331001220131 is a deficient number, since it is larger than the sum of its proper divisors (28811775261).

101331001220131 is an equidigital number, since it uses as much as digits as its factorization.

101331001220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28811775260.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 101331001220131 its reverse (131022100133101), we get a palindrome (232353101353232).

The spelling of 101331001220131 in words is "one hundred one trillion, three hundred thirty-one billion, one million, two hundred twenty thousand, one hundred thirty-one".