20201301312101 has 24 divisors (see below), whose sum is σ = 26179784217720. Its totient is φ = 15432293826432.

The previous prime is 20201301312089. The next prime is 20201301312107. The reversal of 20201301312101 is 10121310310202.

It can be written as a sum of positive squares in 4 ways, for example, as 652744421476 + 19548556890625 = 807926^2 + 4421375^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20201301312101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20201301312101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201301312107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546760646 + ... + 546797591.

It is an arithmetic number, because the mean of its divisors is an integer number (1090824342405).

Almost surely, 2^{20201301312101} is an apocalyptic number.

It is an amenable number.

20201301312101 is a deficient number, since it is larger than the sum of its proper divisors (5978482905619).

20201301312101 is a wasteful number, since it uses less digits than its factorization.

20201301312101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093558293 (or 1093558286 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20201301312101 its reverse (10121310310202), we get a palindrome (30322611622303).

The spelling of 20201301312101 in words is "twenty trillion, two hundred one billion, three hundred one million, three hundred twelve thousand, one hundred one".