1201001100113 has 2 divisors, whose sum is σ = 1201001100114. Its totient is φ = 1201001100112.

The previous prime is 1201001100107. The next prime is 1201001100133. The reversal of 1201001100113 is 3110011001021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 721655347009 + 479345753104 = 849503^2 + 692348^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201001100113 - 2⁴ = 1201001100097 is a prime.

It is a super-2 number, since 2×1201001100113² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201001100094 and 1201001100103.

It is not a weakly prime, because it can be changed into another prime (1201001100133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600500550056 + 600500550057.

It is an arithmetic number, because the mean of its divisors is an integer number (600500550057).

Almost surely, 2^{1201001100113} is an apocalyptic number.

It is an amenable number.

1201001100113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201001100113 is an equidigital number, since it uses as much as digits as its factorization.

1201001100113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1201001100113 its reverse (3110011001021), we get a palindrome (4311012101134).

The spelling of 1201001100113 in words is "one trillion, two hundred one billion, one million, one hundred thousand, one hundred thirteen".