212220121022269 has 2 divisors, whose sum is σ = 212220121022270. Its totient is φ = 212220121022268.

The previous prime is 212220121022141. The next prime is 212220121022279. The reversal of 212220121022269 is 962220121022212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191441675700025 + 20778445322244 = 13836245^2 + 4558338^2 .

It is a cyclic number.

It is not a de Polignac number, because 212220121022269 - 2⁷ = 212220121022141 is a prime.

It is a super-2 number, since 2×212220121022269² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212220121022279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110060511134 + 106110060511135.

It is an arithmetic number, because the mean of its divisors is an integer number (106110060511135).

Almost surely, 2^{212220121022269} is an apocalyptic number.

It is an amenable number.

212220121022269 is a deficient number, since it is larger than the sum of its proper divisors (1).

212220121022269 is an equidigital number, since it uses as much as digits as its factorization.

212220121022269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 212220121022269 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred twenty-one million, twenty-two thousand, two hundred sixty-nine".