1012103320111 has 16 divisors (see below), whose sum is σ = 1095431347360. Its totient is φ = 929569011840.

The previous prime is 1012103320093. The next prime is 1012103320183. The reversal of 1012103320111 is 1110233012101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012103320111 - 2⁹ = 1012103319599 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 (1012103320511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1830301 + ... + 2318233.

It is an arithmetic number, because the mean of its divisors is an integer number (68464459210).

Almost surely, 2^{1012103320111} is an apocalyptic number.

1012103320111 is a deficient number, since it is larger than the sum of its proper divisors (83328027249).

1012103320111 is a wasteful number, since it uses less digits than its factorization.

1012103320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488746.

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

Adding to 1012103320111 its reverse (1110233012101), we get a palindrome (2122336332212).

The spelling of 1012103320111 in words is "one trillion, twelve billion, one hundred three million, three hundred twenty thousand, one hundred eleven".