10001022102221 has 4 divisors (see below), whose sum is σ = 10001498748192. Its totient is φ = 10000545456252.

The previous prime is 10001022102191. The next prime is 10001022102263. The reversal of 10001022102221 is 12220122010001.

10001022102221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10001022102221 - 2¹⁴ = 10001022085837 is a prime.

It is a super-2 number, since 2×10001022102221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001022102196 and 10001022102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001022102271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238291511 + ... + 238333476.

It is an arithmetic number, because the mean of its divisors is an integer number (2500374687048).

Almost surely, 2^{10001022102221} is an apocalyptic number.

It is an amenable number.

10001022102221 is a deficient number, since it is larger than the sum of its proper divisors (476645971).

10001022102221 is an equidigital number, since it uses as much as digits as its factorization.

10001022102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476645970.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10001022102221 its reverse (12220122010001), we get a palindrome (22221144112222).

The spelling of 10001022102221 in words is "ten trillion, one billion, twenty-two million, one hundred two thousand, two hundred twenty-one".