20122121949067 has 2 divisors, whose sum is σ = 20122121949068. Its totient is φ = 20122121949066.

The previous prime is 20122121949043. The next prime is 20122121949077. The reversal of 20122121949067 is 76094912122102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20122121949067 - 2³¹ = 20119974465419 is a prime.

It is not a weakly prime, because it can be changed into another prime (20122121949077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061060974533 + 10061060974534.

It is an arithmetic number, because the mean of its divisors is an integer number (10061060974534).

Almost surely, 2^{20122121949067} is an apocalyptic number.

20122121949067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122121949067 is an equidigital number, since it uses as much as digits as its factorization.

20122121949067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 20122121949067 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, nine hundred forty-nine thousand, sixty-seven".