10122201212221 has 8 divisors (see below), whose sum is σ = 11568369234240. Its totient is φ = 8676068009568.

The previous prime is 10122201212183. The next prime is 10122201212243. The reversal of 10122201212221 is 12221210222101.

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 10122201212221 - 2⁹ = 10122201211709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122201212521) 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, 8078896 + ... + 9247321.

It is an arithmetic number, because the mean of its divisors is an integer number (1446046154280).

Almost surely, 2^{10122201212221} is an apocalyptic number.

It is an amenable number.

10122201212221 is a deficient number, since it is larger than the sum of its proper divisors (1446168022019).

10122201212221 is an equidigital number, since it uses as much as digits as its factorization.

10122201212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17409683.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10122201212221 its reverse (12221210222101), we get a palindrome (22343411434322).

The spelling of 10122201212221 in words is "ten trillion, one hundred twenty-two billion, two hundred one million, two hundred twelve thousand, two hundred twenty-one".