101220222220279 has 2 divisors, whose sum is σ = 101220222220280. Its totient is φ = 101220222220278.

The previous prime is 101220222220171. The next prime is 101220222220307. The reversal of 101220222220279 is 972022222022101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101220222220279 - 2³¹ = 101218074736631 is a prime.

It is a super-2 number, since 2×101220222220279² (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 (101220222223279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610111110139 + 50610111110140.

It is an arithmetic number, because the mean of its divisors is an integer number (50610111110140).

Almost surely, 2^{101220222220279} is an apocalyptic number.

101220222220279 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220222220279 is an equidigital number, since it uses as much as digits as its factorization.

101220222220279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 101220222220279 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twenty thousand, two hundred seventy-nine".