1201111010323 has 8 divisors (see below), whose sum is σ = 1374607480320. Its totient is φ = 1028091836040.

The previous prime is 1201111010287. The next prime is 1201111010327. The reversal of 1201111010323 is 3230101111021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201111010323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201111010297 and 1201111010306.

It is not an unprimeable number, because it can be changed into a prime (1201111010327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119318533 + ... + 119328598.

It is an arithmetic number, because the mean of its divisors is an integer number (171825935040).

Almost surely, 2^{1201111010323} is an apocalyptic number.

1201111010323 is a deficient number, since it is larger than the sum of its proper divisors (173496469997).

1201111010323 is an equidigital number, since it uses as much as digits as its factorization.

1201111010323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238647857.

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

Adding to 1201111010323 its reverse (3230101111021), we get a palindrome (4431212121344).

The spelling of 1201111010323 in words is "one trillion, two hundred one billion, one hundred eleven million, ten thousand, three hundred twenty-three".