131001321121 has 8 divisors (see below), whose sum is σ = 143044985664. Its totient is φ = 118980065520.

The previous prime is 131001321103. The next prime is 131001321127. The reversal of 131001321121 is 121123100131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131001321121 - 2¹³ = 131001312929 is a prime.

It is a super-2 number, since 2×131001321121² (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 = 131001321095 and 131001321104.

It is not an unprimeable number, because it can be changed into a prime (131001321127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5590006 + ... + 5613391.

It is an arithmetic number, because the mean of its divisors is an integer number (17880623208).

Almost surely, 2^131001321121 is an apocalyptic number.

131001321121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131001321121 is a deficient number, since it is larger than the sum of its proper divisors (12043664543).

131001321121 is a wasteful number, since it uses less digits than its factorization.

131001321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11204471.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131001321121 its reverse (121123100131), we get a palindrome (252124421252).

The spelling of 131001321121 in words is "one hundred thirty-one billion, one million, three hundred twenty-one thousand, one hundred twenty-one".