10111011121021 has 8 divisors (see below), whose sum is σ = 10125723074688. Its totient is φ = 10096299990000.

The previous prime is 10111011121019. The next prime is 10111011121027. The reversal of 10111011121021 is 12012111011101.

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 10111011121021 - 2¹ = 10111011121019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111011120992 and 10111011121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111011121027) 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, 27006576 + ... + 27378406.

It is an arithmetic number, because the mean of its divisors is an integer number (1265715384336).

Almost surely, 2^{10111011121021} is an apocalyptic number.

It is an amenable number.

10111011121021 is a deficient number, since it is larger than the sum of its proper divisors (14711953667).

10111011121021 is an equidigital number, since it uses as much as digits as its factorization.

10111011121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411323.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 10111011121021 its reverse (12012111011101), we get a palindrome (22123122132122).

The spelling of 10111011121021 in words is "ten trillion, one hundred eleven billion, eleven million, one hundred twenty-one thousand, twenty-one".