22121200949867 has 2 divisors, whose sum is σ = 22121200949868. Its totient is φ = 22121200949866.

The previous prime is 22121200949839. The next prime is 22121200949899. The reversal of 22121200949867 is 76894900212122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22121200949867 - 2¹⁰ = 22121200948843 is a prime.

It is not a weakly prime, because it can be changed into another prime (22121200949567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060600474933 + 11060600474934.

It is an arithmetic number, because the mean of its divisors is an integer number (11060600474934).

Almost surely, 2^{22121200949867} is an apocalyptic number.

22121200949867 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121200949867 is an equidigital number, since it uses as much as digits as its factorization.

22121200949867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 22121200949867 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred million, nine hundred forty-nine thousand, eight hundred sixty-seven".