10222121021 has 8 divisors (see below), whose sum is σ = 11766471360. Its totient is φ = 8698782528.

The previous prime is 10222120991. The next prime is 10222121053. The reversal of 10222121021 is 12012122201.

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 10222121021 - 2¹⁴ = 10222104637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10222120987 and 10222121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222121621) 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, 5251916 + ... + 5253861.

It is an arithmetic number, because the mean of its divisors is an integer number (1470808920).

Almost surely, 2^10222121021 is an apocalyptic number.

It is an amenable number.

10222121021 is a deficient number, since it is larger than the sum of its proper divisors (1544350339).

10222121021 is a wasteful number, since it uses less digits than its factorization.

10222121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505923.

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

Adding to 10222121021 its reverse (12012122201), we get a palindrome (22234243222).

The spelling of 10222121021 in words is "ten billion, two hundred twenty-two million, one hundred twenty-one thousand, twenty-one".