101131200001 has 4 divisors (see below), whose sum is σ = 108910523092. Its totient is φ = 93351876912.

The previous prime is 101131199999. The next prime is 101131200017. The reversal of 101131200001 is 100002131101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100002131101 = 193 ⋅518145757.

It can be written as a sum of positive squares in 2 ways, for example, as 25395609600 + 75735590401 = 159360^2 + 275201^2 .

It is a cyclic number.

It is not a de Polignac number, because 101131200001 - 2¹ = 101131199999 is a prime.

It is a super-2 number, since 2×101131200001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101131210001) 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, 3889661526 + ... + 3889661551.

It is an arithmetic number, because the mean of its divisors is an integer number (27227630773).

Almost surely, 2^101131200001 is an apocalyptic number.

It is an amenable number.

101131200001 is a deficient number, since it is larger than the sum of its proper divisors (7779323091).

101131200001 is an equidigital number, since it uses as much as digits as its factorization.

101131200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7779323090.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 101131200001 its reverse (100002131101), we get a palindrome (201133331102).

The spelling of 101131200001 in words is "one hundred one billion, one hundred thirty-one million, two hundred thousand, one".