22121101259 has 2 divisors, whose sum is σ = 22121101260. Its totient is φ = 22121101258.

The previous prime is 22121101217. The next prime is 22121101271. The reversal of 22121101259 is 95210112122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22121101259 is a prime.

It is not a weakly prime, because it can be changed into another prime (22121101859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060550629 + 11060550630.

It is an arithmetic number, because the mean of its divisors is an integer number (11060550630).

Almost surely, 2^22121101259 is an apocalyptic number.

22121101259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121101259 is an equidigital number, since it uses as much as digits as its factorization.

22121101259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 22121101259 in words is "twenty-two billion, one hundred twenty-one million, one hundred one thousand, two hundred fifty-nine".