1011121011113 has 4 divisors (see below), whose sum is σ = 1011905435220. Its totient is φ = 1010336587008.

The previous prime is 1011121011101. The next prime is 1011121011133. The reversal of 1011121011113 is 3111101211101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 938046486784 + 73074524329 = 968528^2 + 270323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011121011113 - 2⁴ = 1011121011097 is a prime.

It is a super-2 number, since 2×1011121011113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011121011133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392210120 + ... + 392212697.

It is an arithmetic number, because the mean of its divisors is an integer number (252976358805).

Almost surely, 2^{1011121011113} is an apocalyptic number.

It is an amenable number.

1011121011113 is a deficient number, since it is larger than the sum of its proper divisors (784424107).

1011121011113 is an equidigital number, since it uses as much as digits as its factorization.

1011121011113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784424106.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 1011121011113 its reverse (3111101211101), we get a palindrome (4122222222214).

The spelling of 1011121011113 in words is "one trillion, eleven billion, one hundred twenty-one million, eleven thousand, one hundred thirteen".