1201120013101 has 4 divisors (see below), whose sum is σ = 1207343433052. Its totient is φ = 1194896593152.

The previous prime is 1201120013087. The next prime is 1201120013113. The reversal of 1201120013101 is 1013100211021.

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 738310562500 + 462809450601 = 859250^2 + 680301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201120013101 - 2⁵ = 1201120013069 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 (1201120013501) 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, 3111709686 + ... + 3111710071.

It is an arithmetic number, because the mean of its divisors is an integer number (301835858263).

Almost surely, 2^{1201120013101} is an apocalyptic number.

It is an amenable number.

1201120013101 is a deficient number, since it is larger than the sum of its proper divisors (6223419951).

1201120013101 is an equidigital number, since it uses as much as digits as its factorization.

1201120013101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6223419950.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1201120013101 its reverse (1013100211021), we get a palindrome (2214220224122).

The spelling of 1201120013101 in words is "one trillion, two hundred one billion, one hundred twenty million, thirteen thousand, one hundred one".