100131121033301 has 4 divisors (see below), whose sum is σ = 101502780225612. Its totient is φ = 98759461840992.

The previous prime is 100131121033277. The next prime is 100131121033309. The reversal of 100131121033301 is 103330121131001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22983883810801 + 77147237222500 = 4794151^2 + 8783350^2 .

It is a cyclic number.

It is not a de Polignac number, because 100131121033301 - 2⁴⁶ = 29762376855637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131121033309) 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, 685829596046 + ... + 685829596191.

It is an arithmetic number, because the mean of its divisors is an integer number (25375695056403).

Almost surely, 2^{100131121033301} is an apocalyptic number.

It is an amenable number.

100131121033301 is a deficient number, since it is larger than the sum of its proper divisors (1371659192311).

100131121033301 is an equidigital number, since it uses as much as digits as its factorization.

100131121033301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371659192310.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 100131121033301 its reverse (103330121131001), we get a palindrome (203461242164302).

The spelling of 100131121033301 in words is "one hundred trillion, one hundred thirty-one billion, one hundred twenty-one million, thirty-three thousand, three hundred one".