11110120021001 has 4 divisors (see below), whose sum is σ = 11110603870992. Its totient is φ = 11109636171012.

The previous prime is 11110120020973. The next prime is 11110120021031. The reversal of 11110120021001 is 10012002101111.

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 11110120021001 - 2³⁴ = 11092940151817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110120021031) 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, 241890551 + ... + 241936476.

It is an arithmetic number, because the mean of its divisors is an integer number (2777650967748).

Almost surely, 2^{11110120021001} is an apocalyptic number.

It is an amenable number.

11110120021001 is a deficient number, since it is larger than the sum of its proper divisors (483849991).

11110120021001 is an equidigital number, since it uses as much as digits as its factorization.

11110120021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483849990.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11110120021001 its reverse (10012002101111), we get a palindrome (21122122122112).

The spelling of 11110120021001 in words is "eleven trillion, one hundred ten billion, one hundred twenty million, twenty-one thousand, one".