10122302221021 has 4 divisors (see below), whose sum is σ = 10717731763452. Its totient is φ = 9526872678592.

The previous prime is 10122302220991. The next prime is 10122302221049. The reversal of 10122302221021 is 12012220322101.

10122302221021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4069152321796 + 6053149899225 = 2017214^2 + 2460315^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122302221021 - 2⁷ = 10122302220893 is a prime.

It is a super-2 number, since 2×10122302221021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10122302221021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122302221051) 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, 297714771190 + ... + 297714771223.

It is an arithmetic number, because the mean of its divisors is an integer number (2679432940863).

Almost surely, 2^{10122302221021} is an apocalyptic number.

It is an amenable number.

10122302221021 is a deficient number, since it is larger than the sum of its proper divisors (595429542431).

10122302221021 is an equidigital number, since it uses as much as digits as its factorization.

10122302221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595429542430.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10122302221021 its reverse (12012220322101), we get a palindrome (22134522543122).

The spelling of 10122302221021 in words is "ten trillion, one hundred twenty-two billion, three hundred two million, two hundred twenty-one thousand, twenty-one".