10021022210121 has 96 divisors (see below), whose sum is σ = 15629494527360. Its totient is φ = 5686802214912.

The previous prime is 10021022209981. The next prime is 10021022210167. The reversal of 10021022210121 is 12101222012001.

It is not a de Polignac number, because 10021022210121 - 2¹¹ = 10021022208073 is a prime.

It is a super-2 number, since 2×10021022210121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10021022210121.

It is not an unprimeable number, because it can be changed into a prime (10021022210821) 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 95 ways as a sum of consecutive naturals, for example, 345788410 + ... + 345817388.

It is an arithmetic number, because the mean of its divisors is an integer number (162807234660).

Almost surely, 2^{10021022210121} is an apocalyptic number.

It is an amenable number.

10021022210121 is a deficient number, since it is larger than the sum of its proper divisors (5608472317239).

10021022210121 is a wasteful number, since it uses less digits than its factorization.

10021022210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29835 (or 29822 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10021022210121 its reverse (12101222012001), we get a palindrome (22122244222122).

The spelling of 10021022210121 in words is "ten trillion, twenty-one billion, twenty-two million, two hundred ten thousand, one hundred twenty-one".