10222010221021 has 4 divisors (see below), whose sum is σ = 10222020217152. Its totient is φ = 10222000224892.

The previous prime is 10222010220979. The next prime is 10222010221051. The reversal of 10222010221021 is 12012201022201.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10222010221021 - 2⁹ = 10222010220509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222010220986 and 10222010221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222010221051) 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, 3263515 + ... + 5576248.

It is an arithmetic number, because the mean of its divisors is an integer number (2555505054288).

Almost surely, 2^{10222010221021} is an apocalyptic number.

It is an amenable number.

10222010221021 is a deficient number, since it is larger than the sum of its proper divisors (9996131).

10222010221021 is an equidigital number, since it uses as much as digits as its factorization.

10222010221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996130.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10222010221021 its reverse (12012201022201), we get a palindrome (22234211243222).

The spelling of 10222010221021 in words is "ten trillion, two hundred twenty-two billion, ten million, two hundred twenty-one thousand, twenty-one".