1021122201259 has 2 divisors, whose sum is σ = 1021122201260. Its totient is φ = 1021122201258.

The previous prime is 1021122201139. The next prime is 1021122201287. The reversal of 1021122201259 is 9521022211201.

It is a happy number.

It is an a-pointer prime, because the next prime (1021122201287) can be obtained adding 1021122201259 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021122201259 - 2¹⁷ = 1021122070187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021122201289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510561100629 + 510561100630.

It is an arithmetic number, because the mean of its divisors is an integer number (510561100630).

Almost surely, 2^{1021122201259} is an apocalyptic number.

1021122201259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021122201259 is an equidigital number, since it uses as much as digits as its factorization.

1021122201259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 1021122201259 in words is "one trillion, twenty-one billion, one hundred twenty-two million, two hundred one thousand, two hundred fifty-nine".