1201332110101 has 4 divisors (see below), whose sum is σ = 1201335925804. Its totient is φ = 1201328294400.

The previous prime is 1201332110051. The next prime is 1201332110123. The reversal of 1201332110101 is 1010112331021.

It is a happy number.

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 906970522500 + 294361587601 = 952350^2 + 542551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201332110101 - 2¹⁵ = 1201332077333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201332110131) 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, 1388460 + ... + 2080981.

It is an arithmetic number, because the mean of its divisors is an integer number (300333981451).

Almost surely, 2^{1201332110101} is an apocalyptic number.

It is an amenable number.

1201332110101 is a deficient number, since it is larger than the sum of its proper divisors (3815703).

1201332110101 is an equidigital number, since it uses as much as digits as its factorization.

1201332110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815702.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1201332110101 its reverse (1010112331021), we get a palindrome (2211444441122).

The spelling of 1201332110101 in words is "one trillion, two hundred one billion, three hundred thirty-two million, one hundred ten thousand, one hundred one".