1121021322113 has 16 divisors (see below), whose sum is σ = 1397968650240. Its totient is φ = 873315810000.

The previous prime is 1121021322101. The next prime is 1121021322133. The reversal of 1121021322113 is 3112231201211.

It is a cyclic number.

It is not a de Polignac number, because 1121021322113 - 2¹² = 1121021318017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121021322133) 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, 1400513 + ... + 2050238.

It is an arithmetic number, because the mean of its divisors is an integer number (87373040640).

Almost surely, 2^{1121021322113} is an apocalyptic number.

It is an amenable number.

1121021322113 is a deficient number, since it is larger than the sum of its proper divisors (276947328127).

1121021322113 is a wasteful number, since it uses less digits than its factorization.

1121021322113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454988.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1121021322113 its reverse (3112231201211), we get a palindrome (4233252523324).

The spelling of 1121021322113 in words is "one trillion, one hundred twenty-one billion, twenty-one million, three hundred twenty-two thousand, one hundred thirteen".