202122130123201 has 4 divisors (see below), whose sum is σ = 202128302012500. Its totient is φ = 202115958233904.

The previous prime is 202122130123189. The next prime is 202122130123211. The reversal of 202122130123201 is 102321031221202.

202122130123201 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 90219583563201 + 111902546560000 = 9498399^2 + 10578400^2 .

It is a cyclic number.

It is not a de Polignac number, because 202122130123201 - 2⁵ = 202122130123169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202122130123211) 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, 3085895526 + ... + 3085961023.

It is an arithmetic number, because the mean of its divisors is an integer number (50532075503125).

Almost surely, 2^{202122130123201} is an apocalyptic number.

It is an amenable number.

202122130123201 is a deficient number, since it is larger than the sum of its proper divisors (6171889299).

202122130123201 is an equidigital number, since it uses as much as digits as its factorization.

202122130123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171889298.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 202122130123201 its reverse (102321031221202), we get a palindrome (304443161344403).

The spelling of 202122130123201 in words is "two hundred two trillion, one hundred twenty-two billion, one hundred thirty million, one hundred twenty-three thousand, two hundred one".