1101012020201 has 4 divisors (see below), whose sum is σ = 1165777433172. Its totient is φ = 1036246607232.

The previous prime is 1101012020117. The next prime is 1101012020203. The reversal of 1101012020201 is 1020202101011.

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 926435125225 + 174576894976 = 962515^2 + 417824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101012020201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101012020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32382706460 + ... + 32382706493.

It is an arithmetic number, because the mean of its divisors is an integer number (291444358293).

Almost surely, 2^{1101012020201} is an apocalyptic number.

It is an amenable number.

1101012020201 is a deficient number, since it is larger than the sum of its proper divisors (64765412971).

1101012020201 is an equidigital number, since it uses as much as digits as its factorization.

1101012020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64765412970.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1101012020201 its reverse (1020202101011), we get a palindrome (2121214121212).

The spelling of 1101012020201 in words is "one trillion, one hundred one billion, twelve million, twenty thousand, two hundred one".