11110010100121 has 4 divisors (see below), whose sum is σ = 11110118246500. Its totient is φ = 11109901953744.

The previous prime is 11110010100109. The next prime is 11110010100229. The reversal of 11110010100121 is 12100101001111.

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 5560805394496 + 5549204705625 = 2358136^2 + 2355675^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110010100121 - 2²¹ = 11110008002969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110010100098 and 11110010100107.

It is not an unprimeable number, because it can be changed into a prime (11110010106121) 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, 53918946 + ... + 54124603.

It is an arithmetic number, because the mean of its divisors is an integer number (2777529561625).

Almost surely, 2^{11110010100121} is an apocalyptic number.

It is an amenable number.

11110010100121 is a deficient number, since it is larger than the sum of its proper divisors (108146379).

11110010100121 is a wasteful number, since it uses less digits than its factorization.

11110010100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108146378.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11110010100121 its reverse (12100101001111), we get a palindrome (23210111101232).

The spelling of 11110010100121 in words is "eleven trillion, one hundred ten billion, ten million, one hundred thousand, one hundred twenty-one".