11411211120121 has 4 divisors (see below), whose sum is σ = 11428166857972. Its totient is φ = 11394255382272.

The previous prime is 11411211120103. The next prime is 11411211120143. The reversal of 11411211120121 is 12102111211411.

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 2402689103721 + 9008522016400 = 1550061^2 + 3001420^2 .

It is a cyclic number.

It is not a de Polignac number, because 11411211120121 - 2³⁷ = 11273772166649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11411211120191) 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, 8477867916 + ... + 8477869261.

It is an arithmetic number, because the mean of its divisors is an integer number (2857041714493).

Almost surely, 2^{11411211120121} is an apocalyptic number.

It is an amenable number.

11411211120121 is a deficient number, since it is larger than the sum of its proper divisors (16955737851).

11411211120121 is an equidigital number, since it uses as much as digits as its factorization.

11411211120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16955737850.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 11411211120121 its reverse (12102111211411), we get a palindrome (23513322331532).

The spelling of 11411211120121 in words is "eleven trillion, four hundred eleven billion, two hundred eleven million, one hundred twenty thousand, one hundred twenty-one".