101220222109997 has 2 divisors, whose sum is σ = 101220222109998. Its totient is φ = 101220222109996.

The previous prime is 101220222109943. The next prime is 101220222110011. The reversal of 101220222109997 is 799901222022101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67702386597316 + 33517835512681 = 8228146^2 + 5789459^2 .

It is a cyclic number.

It is not a de Polignac number, because 101220222109997 - 2¹⁸ = 101220221847853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101220222109297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610111054998 + 50610111054999.

It is an arithmetic number, because the mean of its divisors is an integer number (50610111054999).

Almost surely, 2^{101220222109997} is an apocalyptic number.

It is an amenable number.

101220222109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220222109997 is an equidigital number, since it uses as much as digits as its factorization.

101220222109997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 101220222109997 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty-two million, one hundred nine thousand, nine hundred ninety-seven".