1013121310111 has 16 divisors (see below), whose sum is σ = 1091590905600. Its totient is φ = 936769373568.

The previous prime is 1013121310039. The next prime is 1013121310151. The reversal of 1013121310111 is 1110131213101.

It is a cyclic number.

It is not a de Polignac number, because 1013121310111 - 2²⁵ = 1013087755679 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 (1013121310151) 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, 1263886 + ... + 1903588.

It is an arithmetic number, because the mean of its divisors is an integer number (68224431600).

Almost surely, 2^{1013121310111} is an apocalyptic number.

1013121310111 is a deficient number, since it is larger than the sum of its proper divisors (78469595489).

1013121310111 is a wasteful number, since it uses less digits than its factorization.

1013121310111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641358.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1013121310111 its reverse (1110131213101), we get a palindrome (2123252523212).

It can be divided in two parts, 10131213101 and 11, that multiplied together give a palindrome (111443344111).

The spelling of 1013121310111 in words is "one trillion, thirteen billion, one hundred twenty-one million, three hundred ten thousand, one hundred eleven".