101321204131 has 4 divisors (see below), whose sum is σ = 115795661872. Its totient is φ = 86846746392.

The previous prime is 101321204081. The next prime is 101321204177. The reversal of 101321204131 is 131402123101.

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

It is not a de Polignac number, because 101321204131 - 2¹³ = 101321195939 is a prime.

It is a super-2 number, since 2×101321204131² (a number of 23 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 = 101321204099 and 101321204108.

It is not an unprimeable number, because it can be changed into a prime (101321204731) 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, 7237228860 + ... + 7237228873.

It is an arithmetic number, because the mean of its divisors is an integer number (28948915468).

Almost surely, 2^101321204131 is an apocalyptic number.

101321204131 is a deficient number, since it is larger than the sum of its proper divisors (14474457741).

101321204131 is an equidigital number, since it uses as much as digits as its factorization.

101321204131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14474457740.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101321204131 its reverse (131402123101), we get a palindrome (232723327232).

The spelling of 101321204131 in words is "one hundred one billion, three hundred twenty-one million, two hundred four thousand, one hundred thirty-one".