20222020121249 has 2 divisors, whose sum is σ = 20222020121250. Its totient is φ = 20222020121248.

The previous prime is 20222020121201. The next prime is 20222020121269. The reversal of 20222020121249 is 94212102022202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18506928673024 + 1715091448225 = 4301968^2 + 1309615^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222020121249 - 2³² = 20217725153953 is a prime.

It is a super-2 number, since 2×20222020121249² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20222020121269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111010060624 + 10111010060625.

It is an arithmetic number, because the mean of its divisors is an integer number (10111010060625).

Almost surely, 2^{20222020121249} is an apocalyptic number.

It is an amenable number.

20222020121249 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222020121249 is an equidigital number, since it uses as much as digits as its factorization.

20222020121249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 20222020121249 in words is "twenty trillion, two hundred twenty-two billion, twenty million, one hundred twenty-one thousand, two hundred forty-nine".