121022210210873 has 2 divisors, whose sum is σ = 121022210210874. Its totient is φ = 121022210210872.

The previous prime is 121022210210771. The next prime is 121022210210911. The reversal of 121022210210873 is 378012012220121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95668195744144 + 25354014466729 = 9781012^2 + 5035277^2 .

It is a cyclic number.

It is not a de Polignac number, because 121022210210873 - 2³⁸ = 120747332303929 is a prime.

It is a super-3 number, since 3×121022210210873³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (121022210213873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511105105436 + 60511105105437.

It is an arithmetic number, because the mean of its divisors is an integer number (60511105105437).

Almost surely, 2^{121022210210873} is an apocalyptic number.

It is an amenable number.

121022210210873 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022210210873 is an equidigital number, since it uses as much as digits as its factorization.

121022210210873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 32.

Adding to 121022210210873 its reverse (378012012220121), we get a palindrome (499034222430994).

The spelling of 121022210210873 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred ten million, two hundred ten thousand, eight hundred seventy-three".