10122101221321 has 4 divisors (see below), whose sum is σ = 10471139194500. Its totient is φ = 9773063248144.

The previous prime is 10122101221301. The next prime is 10122101221343. The reversal of 10122101221321 is 12312210122101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6658649950096 + 3463451271225 = 2580436^2 + 1861035^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122101221321 - 2⁵ = 10122101221289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10122101221301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174518986546 + ... + 174518986603.

It is an arithmetic number, because the mean of its divisors is an integer number (2617784798625).

Almost surely, 2^{10122101221321} is an apocalyptic number.

It is an amenable number.

10122101221321 is a deficient number, since it is larger than the sum of its proper divisors (349037973179).

10122101221321 is an equidigital number, since it uses as much as digits as its factorization.

10122101221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349037973178.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10122101221321 its reverse (12312210122101), we get a palindrome (22434311343422).

The spelling of 10122101221321 in words is "ten trillion, one hundred twenty-two billion, one hundred one million, two hundred twenty-one thousand, three hundred twenty-one".