20211201110879 has 2 divisors, whose sum is σ = 20211201110880. Its totient is φ = 20211201110878.

The previous prime is 20211201110819. The next prime is 20211201111041. The reversal of 20211201110879 is 97801110211202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20211201110879 - 2¹² = 20211201106783 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211201110819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105600555439 + 10105600555440.

It is an arithmetic number, because the mean of its divisors is an integer number (10105600555440).

Almost surely, 2^{20211201110879} is an apocalyptic number.

20211201110879 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211201110879 is an equidigital number, since it uses as much as digits as its factorization.

20211201110879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 20211201110879 in words is "twenty trillion, two hundred eleven billion, two hundred one million, one hundred ten thousand, eight hundred seventy-nine".