131211211120401 has 8 divisors (see below), whose sum is σ = 179215312749984. Its totient is φ = 85340625118880.

The previous prime is 131211211120219. The next prime is 131211211120403. The reversal of 131211211120401 is 104021112112131.

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 131211211120401 - 2¹⁰ = 131211211119377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131211211120403) 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, 533378906871 + ... + 533378907116.

It is an arithmetic number, because the mean of its divisors is an integer number (22401914093748).

Almost surely, 2^{131211211120401} is an apocalyptic number.

It is an amenable number.

131211211120401 is a deficient number, since it is larger than the sum of its proper divisors (48004101629583).

131211211120401 is a wasteful number, since it uses less digits than its factorization.

131211211120401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066757814031.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 131211211120401 its reverse (104021112112131), we get a palindrome (235232323232532).

The spelling of 131211211120401 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred eleven million, one hundred twenty thousand, four hundred one".