101321111012201 has 4 divisors (see below), whose sum is σ = 101465648974404. Its totient is φ = 101176573050000.

The previous prime is 101321111012189. The next prime is 101321111012213. The reversal of 101321111012201 is 102210111123101.

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

It is an interprime number because it is at equal distance from previous prime (101321111012189) and next prime (101321111012213).

It can be written as a sum of positive squares in 2 ways, for example, as 82372850250601 + 18948260761600 = 9075949^2 + 4352960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101321111012201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101321111012201.

It is not an unprimeable number, because it can be changed into a prime (101321111012801) 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, 72268980050 + ... + 72268981451.

It is an arithmetic number, because the mean of its divisors is an integer number (25366412243601).

Almost surely, 2^{101321111012201} is an apocalyptic number.

It is an amenable number.

101321111012201 is a deficient number, since it is larger than the sum of its proper divisors (144537962203).

101321111012201 is an equidigital number, since it uses as much as digits as its factorization.

101321111012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144537962202.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 101321111012201 its reverse (102210111123101), we get a palindrome (203531222135302).

The spelling of 101321111012201 in words is "one hundred one trillion, three hundred twenty-one billion, one hundred eleven million, twelve thousand, two hundred one".