11000000121 has 16 divisors (see below), whose sum is σ = 16551725760. Its totient is φ = 6436781120.

The previous prime is 11000000119. The next prime is 11000000129. The reversal of 11000000121 is 12100000011.

It is not a de Polignac number, because 11000000121 - 2¹ = 11000000119 is a prime.

11000000121 is a modest number, since divided by 121 gives 110 as remainder.

It is not an unprimeable number, because it can be changed into a prime (11000000129) 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, 5746170 + ... + 5748083.

It is an arithmetic number, because the mean of its divisors is an integer number (1034482860).

Almost surely, 2^11000000121 is an apocalyptic number.

11000000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11000000121 is a deficient number, since it is larger than the sum of its proper divisors (5551725639).

11000000121 is a wasteful number, since it uses less digits than its factorization.

11000000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11494296.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 11000000121 its reverse (12100000011), we get a palindrome (23100000132).

It can be divided in two parts, 11000000 and 121, that multiplied together give a cube (1331000000 = 1100³).

The spelling of 11000000121 in words is "eleven billion, one hundred twenty-one", and thus it is an aban number.