10331220221021 has 16 divisors (see below), whose sum is σ = 11821495256064. Its totient is φ = 8844543028224.

The previous prime is 10331220220999. The next prime is 10331220221057. The reversal of 10331220221021 is 12012202213301.

It is a cyclic number.

It is not a de Polignac number, because 10331220221021 - 2⁶ = 10331220220957 is a prime.

It is a super-2 number, since 2×10331220221021² (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 = 10331220220984 and 10331220221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331220251021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127769021 + ... + 127849853.

It is an arithmetic number, because the mean of its divisors is an integer number (738843453504).

Almost surely, 2^{10331220221021} is an apocalyptic number.

It is an amenable number.

10331220221021 is a deficient number, since it is larger than the sum of its proper divisors (1490275035043).

10331220221021 is an equidigital number, since it uses as much as digits as its factorization.

10331220221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102860.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10331220221021 its reverse (12012202213301), we get a palindrome (22343422434322).

The spelling of 10331220221021 in words is "ten trillion, three hundred thirty-one billion, two hundred twenty million, two hundred twenty-one thousand, twenty-one".