10221010221021 has 8 divisors (see below), whose sum is σ = 13651964445120. Its totient is φ = 6802031405472.

The previous prime is 10221010221013. The next prime is 10221010221041. The reversal of 10221010221021 is 12012201012201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10221010221021 - 2³ = 10221010221013 is a prime.

It is a super-3 number, since 3×10221010221021³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221010221041) 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, 2993850145 + ... + 2993853558.

It is an arithmetic number, because the mean of its divisors is an integer number (1706495555640).

Almost surely, 2^{10221010221021} is an apocalyptic number.

It is an amenable number.

10221010221021 is a deficient number, since it is larger than the sum of its proper divisors (3430954224099).

10221010221021 is an equidigital number, since it uses as much as digits as its factorization.

10221010221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987704275.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10221010221021 its reverse (12012201012201), we get a palindrome (22233211233222).

The spelling of 10221010221021 in words is "ten trillion, two hundred twenty-one billion, ten million, two hundred twenty-one thousand, twenty-one".