11120121213 has 16 divisors (see below), whose sum is σ = 15484556160. Its totient is φ = 7085095424.

The previous prime is 11120121211. The next prime is 11120121217. The reversal of 11120121213 is 31212102111.

It is a cyclic number.

It is not a de Polignac number, because 11120121213 - 2¹ = 11120121211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120121192 and 11120121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120121211) 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, 14773 + ... + 149861.

It is an arithmetic number, because the mean of its divisors is an integer number (967784760).

Almost surely, 2^11120121213 is an apocalyptic number.

It is an amenable number.

11120121213 is a deficient number, since it is larger than the sum of its proper divisors (4364434947).

11120121213 is a wasteful number, since it uses less digits than its factorization.

11120121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136308.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11120121213 its reverse (31212102111), we get a palindrome (42332223324).

The spelling of 11120121213 in words is "eleven billion, one hundred twenty million, one hundred twenty-one thousand, two hundred thirteen".