1013321020111 has 16 divisors (see below), whose sum is σ = 1114959225600. Its totient is φ = 916658062848.

The previous prime is 1013321020091. The next prime is 1013321020121. The reversal of 1013321020111 is 1110201233101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1013321020111 - 2⁵ = 1013321020079 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 (1013321020121) 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, 1757221 + ... + 2261518.

It is an arithmetic number, because the mean of its divisors is an integer number (69684951600).

Almost surely, 2^{1013321020111} is an apocalyptic number.

1013321020111 is a deficient number, since it is larger than the sum of its proper divisors (101638205489).

1013321020111 is a wasteful number, since it uses less digits than its factorization.

1013321020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019358.

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

Adding to 1013321020111 its reverse (1110201233101), we get a palindrome (2123522253212).

The spelling of 1013321020111 in words is "one trillion, thirteen billion, three hundred twenty-one million, twenty thousand, one hundred eleven".