11100122010121 has 4 divisors (see below), whose sum is σ = 11100194118352. Its totient is φ = 11100049901892.

The previous prime is 11100122010083. The next prime is 11100122010137. The reversal of 11100122010121 is 12101022100111.

It is a happy number.

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 11100122010121 - 2¹³ = 11100122001929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100122010721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35822715 + ... + 36131248.

It is an arithmetic number, because the mean of its divisors is an integer number (2775048529588).

Almost surely, 2^{11100122010121} is an apocalyptic number.

It is an amenable number.

11100122010121 is a deficient number, since it is larger than the sum of its proper divisors (72108231).

11100122010121 is an equidigital number, since it uses as much as digits as its factorization.

11100122010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72108230.

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

Adding to 11100122010121 its reverse (12101022100111), we get a palindrome (23201144110232).

The spelling of 11100122010121 in words is "eleven trillion, one hundred billion, one hundred twenty-two million, ten thousand, one hundred twenty-one".