1101312012201 has 4 divisors (see below), whose sum is σ = 1468416016272. Its totient is φ = 734208008132.

The previous prime is 1101312012193. The next prime is 1101312012209. The reversal of 1101312012201 is 1022102131011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1101312012193) and next prime (1101312012209).

It is a cyclic number.

It is not a de Polignac number, because 1101312012201 - 2³ = 1101312012193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101312012209) 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, 183552002031 + ... + 183552002036.

It is an arithmetic number, because the mean of its divisors is an integer number (367104004068).

Almost surely, 2^{1101312012201} is an apocalyptic number.

It is an amenable number.

1101312012201 is a deficient number, since it is larger than the sum of its proper divisors (367104004071).

1101312012201 is an equidigital number, since it uses as much as digits as its factorization.

1101312012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367104004070.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1101312012201 its reverse (1022102131011), we get a palindrome (2123414143212).

The spelling of 1101312012201 in words is "one trillion, one hundred one billion, three hundred twelve million, twelve thousand, two hundred one".