10221112001021 has 8 divisors (see below), whose sum is σ = 10983881554560. Its totient is φ = 9476289966528.

The previous prime is 10221112001017. The next prime is 10221112001053. The reversal of 10221112001021 is 12010021112201.

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 10221112001021 - 2² = 10221112001017 is a prime.

It is a super-4 number, since 4×10221112001021⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is a junction number, because it is equal to n+sod(n) for n = 10221112000987 and 10221112001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221112001071) 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, 4486878581 + ... + 4486880858.

It is an arithmetic number, because the mean of its divisors is an integer number (1372985194320).

Almost surely, 2^{10221112001021} is an apocalyptic number.

It is an amenable number.

10221112001021 is a deficient number, since it is larger than the sum of its proper divisors (762769553539).

10221112001021 is an equidigital number, since it uses as much as digits as its factorization.

10221112001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8973759523.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10221112001021 its reverse (12010021112201), we get a palindrome (22231133113222).

The spelling of 10221112001021 in words is "ten trillion, two hundred twenty-one billion, one hundred twelve million, one thousand, twenty-one".