201330111302101 has 12 divisors (see below), whose sum is σ = 224983200806892. Its totient is φ = 179514154963584.

The previous prime is 201330111302087. The next prime is 201330111302141. The reversal of 201330111302101 is 101203111033102.

It can be written as a sum of positive squares in 2 ways, for example, as 138021847992900 + 63308263309201 = 11748270^2 + 7956649^2 .

It is not a de Polignac number, because 201330111302101 - 2⁷ = 201330111301973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201330111302141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16402968550 + ... + 16402980823.

It is an arithmetic number, because the mean of its divisors is an integer number (18748600067241).

Almost surely, 2^{201330111302101} is an apocalyptic number.

It is an amenable number.

201330111302101 is a deficient number, since it is larger than the sum of its proper divisors (23653089504791).

201330111302101 is a wasteful number, since it uses less digits than its factorization.

201330111302101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32805949428 (or 32805949409 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 201330111302101 its reverse (101203111033102), we get a palindrome (302533222335203).

The spelling of 201330111302101 in words is "two hundred one trillion, three hundred thirty billion, one hundred eleven million, three hundred two thousand, one hundred one".