11121000102021 has 8 divisors (see below), whose sum is σ = 14830080119680. Its totient is φ = 7412960076192.

The previous prime is 11121000101989. The next prime is 11121000102029. The reversal of 11121000102021 is 12020100012111.

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

It is not a de Polignac number, because 11121000102021 - 2⁵ = 11121000101989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121000101988 and 11121000102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121000102029) 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, 259973005 + ... + 260015778.

It is an arithmetic number, because the mean of its divisors is an integer number (1853760014960).

Almost surely, 2^{11121000102021} is an apocalyptic number.

It is an amenable number.

11121000102021 is a deficient number, since it is larger than the sum of its proper divisors (3709080017659).

11121000102021 is an equidigital number, since it uses as much as digits as its factorization.

11121000102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519995915.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11121000102021 its reverse (12020100012111), we get a palindrome (23141100114132).

The spelling of 11121000102021 in words is "eleven trillion, one hundred twenty-one billion, one hundred two thousand, twenty-one".