1121122211013 has 24 divisors (see below), whose sum is σ = 1852300726848. Its totient is φ = 640101506112.

The previous prime is 1121122210973. The next prime is 1121122211089. The reversal of 1121122211013 is 3101122211211.

It is a happy number.

It is not a de Polignac number, because 1121122211013 - 2¹³ = 1121122202821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121122211113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7421256 + ... + 7570817.

It is an arithmetic number, because the mean of its divisors is an integer number (77179196952).

Almost surely, 2^{1121122211013} is an apocalyptic number.

It is an amenable number.

1121122211013 is a deficient number, since it is larger than the sum of its proper divisors (731178515835).

1121122211013 is a wasteful number, since it uses less digits than its factorization.

1121122211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14993273 (or 14993270 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1121122211013 its reverse (3101122211211), we get a palindrome (4222244422224).

The spelling of 1121122211013 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, thirteen".