131120200021445 has 8 divisors (see below), whose sum is σ = 157484350664736. Its totient is φ = 104802752924496.

The previous prime is 131120200021411. The next prime is 131120200021457. The reversal of 131120200021445 is 544120002021131.

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 131120200021445 - 2⁶ = 131120200021381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11675880407 + ... + 11675891636.

It is an arithmetic number, because the mean of its divisors is an integer number (19685543833092).

Almost surely, 2^{131120200021445} is an apocalyptic number.

It is an amenable number.

131120200021445 is a deficient number, since it is larger than the sum of its proper divisors (26364150643291).

131120200021445 is a wasteful number, since it uses less digits than its factorization.

131120200021445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23351773171.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 131120200021445 its reverse (544120002021131), we get a palindrome (675240202042576).

The spelling of 131120200021445 in words is "one hundred thirty-one trillion, one hundred twenty billion, two hundred million, twenty-one thousand, four hundred forty-five".