20201120121067 has 2 divisors, whose sum is σ = 20201120121068. Its totient is φ = 20201120121066.

The previous prime is 20201120121059. The next prime is 20201120121197. The reversal of 20201120121067 is 76012102110202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20201120121067 - 2³ = 20201120121059 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201120124067) 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, 10100560060533 + 10100560060534.

It is an arithmetic number, because the mean of its divisors is an integer number (10100560060534).

Almost surely, 2^{20201120121067} is an apocalyptic number.

20201120121067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201120121067 is an equidigital number, since it uses as much as digits as its factorization.

20201120121067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 20201120121067 its reverse (76012102110202), we get a palindrome (96213222231269).

The spelling of 20201120121067 in words is "twenty trillion, two hundred one billion, one hundred twenty million, one hundred twenty-one thousand, sixty-seven".