20022220201111 has 8 divisors (see below), whose sum is σ = 20505800299248. Its totient is φ = 19543651296000.

The previous prime is 20022220201099. The next prime is 20022220201117. The reversal of 20022220201111 is 11110202222002.

It is a happy number.

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 20022220201111 - 2⁹ = 20022220200599 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 (20022220201117) 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, 1252790170 + ... + 1252806151.

It is an arithmetic number, because the mean of its divisors is an integer number (2563225037406).

Almost surely, 2^{20022220201111} is an apocalyptic number.

20022220201111 is a deficient number, since it is larger than the sum of its proper divisors (483580098137).

20022220201111 is a wasteful number, since it uses less digits than its factorization.

20022220201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505596513.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20022220201111 its reverse (11110202222002), we get a palindrome (31132422423113).

The spelling of 20022220201111 in words is "twenty trillion, twenty-two billion, two hundred twenty million, two hundred one thousand, one hundred eleven".