11102022121121 has 4 divisors (see below), whose sum is σ = 11102514101952. Its totient is φ = 11101530140292.

The previous prime is 11102022121097. The next prime is 11102022121123. The reversal of 11102022121121 is 12112122020111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11102022121121 - 2¹⁰ = 11102022120097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11102022121121.

It is not an unprimeable number, because it can be changed into a prime (11102022121123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245956565 + ... + 246001698.

It is an arithmetic number, because the mean of its divisors is an integer number (2775628525488).

Almost surely, 2^{11102022121121} is an apocalyptic number.

It is an amenable number.

11102022121121 is a deficient number, since it is larger than the sum of its proper divisors (491980831).

11102022121121 is an equidigital number, since it uses as much as digits as its factorization.

11102022121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491980830.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11102022121121 its reverse (12112122020111), we get a palindrome (23214144141232).

It can be divided in two parts, 1110202 and 2121121, that added together give a palindrome (3231323).

The spelling of 11102022121121 in words is "eleven trillion, one hundred two billion, twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".