11011001120121 has 8 divisors (see below), whose sum is σ = 14744344848480. Its totient is φ = 7309162402592.

The previous prime is 11011001120087. The next prime is 11011001120129. The reversal of 11011001120121 is 12102110011011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11011001120121 - 2⁹ = 11011001119609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011001120097 and 11011001120106.

It is not an unprimeable number, because it can be changed into a prime (11011001120129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7876251891 + ... + 7876253288.

It is an arithmetic number, because the mean of its divisors is an integer number (1843043106060).

Almost surely, 2^{11011001120121} is an apocalyptic number.

It is an amenable number.

11011001120121 is a deficient number, since it is larger than the sum of its proper divisors (3733343728359).

11011001120121 is a wasteful number, since it uses less digits than its factorization.

11011001120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15752505415.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11011001120121 its reverse (12102110011011), we get a palindrome (23113111131132).

The spelling of 11011001120121 in words is "eleven trillion, eleven billion, one million, one hundred twenty thousand, one hundred twenty-one".