1201003012111 has 8 divisors (see below), whose sum is σ = 1373555993600. Its totient is φ = 1028695311288.

The previous prime is 1201003012103. The next prime is 1201003012117. The reversal of 1201003012111 is 1112103001021.

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 not a de Polignac number, because 1201003012111 - 2³ = 1201003012103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201003012091 and 1201003012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201003012117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61309671 + ... + 61329256.

It is an arithmetic number, because the mean of its divisors is an integer number (171694499200).

Almost surely, 2^{1201003012111} is an apocalyptic number.

1201003012111 is a deficient number, since it is larger than the sum of its proper divisors (172552981489).

1201003012111 is a wasteful number, since it uses less digits than its factorization.

1201003012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122640333.

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

Adding to 1201003012111 its reverse (1112103001021), we get a palindrome (2313106013132).

The spelling of 1201003012111 in words is "one trillion, two hundred one billion, three million, twelve thousand, one hundred eleven".