10221222010021 has 32 divisors (see below), whose sum is σ = 11905266844800. Its totient is φ = 8677743840000.

The previous prime is 10221222010001. The next prime is 10221222010067. The reversal of 10221222010021 is 12001022212201.

It is a happy number.

It is not a de Polignac number, because 10221222010021 - 2¹⁹ = 10221221485733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221222009977 and 10221222010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221222010001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3776731 + ... + 5891191.

It is an arithmetic number, because the mean of its divisors is an integer number (372039588900).

Almost surely, 2^{10221222010021} is an apocalyptic number.

10221222010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221222010021 is a deficient number, since it is larger than the sum of its proper divisors (1684044834779).

10221222010021 is a wasteful number, since it uses less digits than its factorization.

10221222010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114821.

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

Adding to 10221222010021 its reverse (12001022212201), we get a palindrome (22222244222222).

The spelling of 10221222010021 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-two million, ten thousand, twenty-one".