10221012101121 has 4 divisors (see below), whose sum is σ = 13628016134832. Its totient is φ = 6814008067412.

The previous prime is 10221012101117. The next prime is 10221012101173. The reversal of 10221012101121 is 12110121012201.

It is a happy number.

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 10221012101121 - 2² = 10221012101117 is a prime.

It is a super-3 number, since 3×10221012101121³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10221012101121.

It is not an unprimeable number, because it can be changed into a prime (10221012101191) 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, 1703502016851 + ... + 1703502016856.

It is an arithmetic number, because the mean of its divisors is an integer number (3407004033708).

Almost surely, 2^{10221012101121} is an apocalyptic number.

It is an amenable number.

10221012101121 is a deficient number, since it is larger than the sum of its proper divisors (3407004033711).

10221012101121 is an equidigital number, since it uses as much as digits as its factorization.

10221012101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407004033710.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10221012101121 its reverse (12110121012201), we get a palindrome (22331133113322).

The spelling of 10221012101121 in words is "ten trillion, two hundred twenty-one billion, twelve million, one hundred one thousand, one hundred twenty-one".