11000212110121 has 4 divisors (see below), whose sum is σ = 11846382272452. Its totient is φ = 10154041947792.

The previous prime is 11000212110103. The next prime is 11000212110157. The reversal of 11000212110121 is 12101121200011.

It is a happy number.

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 6742014778521 + 4258197331600 = 2596539^2 + 2063540^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000212110121 - 2¹¹ = 11000212108073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 846170162317 = 11000212110121 / (1 + 1 + 0 + 0 + 0 + 2 + 1 + 2 + 1 + 1 + 0 + 1 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (11000212110161) 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, 423085081146 + ... + 423085081171.

It is an arithmetic number, because the mean of its divisors is an integer number (2961595568113).

Almost surely, 2^{11000212110121} is an apocalyptic number.

It is an amenable number.

11000212110121 is a deficient number, since it is larger than the sum of its proper divisors (846170162331).

11000212110121 is an equidigital number, since it uses as much as digits as its factorization.

11000212110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846170162330.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11000212110121 its reverse (12101121200011), we get a palindrome (23101333310132).

The spelling of 11000212110121 in words is "eleven trillion, two hundred twelve million, one hundred ten thousand, one hundred twenty-one".