20201000222111 has 8 divisors (see below), whose sum is σ = 20582507302560. Its totient is φ = 19819506331872.

The previous prime is 20201000222071. The next prime is 20201000222113. The reversal of 20201000222111 is 11122200010202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20201000222111 - 2²⁶ = 20200933113247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201000222113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177995 + ... + 6358748.

It is an arithmetic number, because the mean of its divisors is an integer number (2572813412820).

Almost surely, 2^{20201000222111} is an apocalyptic number.

20201000222111 is a deficient number, since it is larger than the sum of its proper divisors (381507080449).

20201000222111 is an equidigital number, since it uses as much as digits as its factorization.

20201000222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6595105.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20201000222111 its reverse (11122200010202), we get a palindrome (31323200232313).

The spelling of 20201000222111 in words is "twenty trillion, two hundred one billion, two hundred twenty-two thousand, one hundred eleven".