202122221101109 has 2 divisors, whose sum is σ = 202122221101110. Its totient is φ = 202122221101108.

The previous prime is 202122221101069. The next prime is 202122221101127. The reversal of 202122221101109 is 901101122221202.

202122221101109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108824433291025 + 93297787810084 = 10431895^2 + 9659078^2 .

It is a cyclic number.

It is not a de Polignac number, because 202122221101109 - 2²⁸ = 202121952665653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202122221101169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101061110550554 + 101061110550555.

It is an arithmetic number, because the mean of its divisors is an integer number (101061110550555).

Almost surely, 2^{202122221101109} is an apocalyptic number.

It is an amenable number.

202122221101109 is a deficient number, since it is larger than the sum of its proper divisors (1).

202122221101109 is an equidigital number, since it uses as much as digits as its factorization.

202122221101109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 202122221101109 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred one thousand, one hundred nine".