30201111203201 has 4 divisors (see below), whose sum is σ = 30201126038532. Its totient is φ = 30201096367872.

The previous prime is 30201111203183. The next prime is 30201111203251. The reversal of 30201111203201 is 10230211110203.

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 16909078564225 + 13292032638976 = 4112065^2 + 3645824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30201111203201 is a prime.

It is a super-2 number, since 2×30201111203201² (a number of 28 digits) contains 22 as substring.

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 30201111203201.

It is not an unprimeable number, because it can be changed into a prime (30201111203251) 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, 3764216 + ... + 8635481.

It is an arithmetic number, because the mean of its divisors is an integer number (7550281509633).

Almost surely, 2^{30201111203201} is an apocalyptic number.

It is an amenable number.

30201111203201 is a deficient number, since it is larger than the sum of its proper divisors (14835331).

30201111203201 is a wasteful number, since it uses less digits than its factorization.

30201111203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14835330.

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

Adding to 30201111203201 its reverse (10230211110203), we get a palindrome (40431322313404).

The spelling of 30201111203201 in words is "thirty trillion, two hundred one billion, one hundred eleven million, two hundred three thousand, two hundred one".