20202222022111 has 8 divisors (see below), whose sum is σ = 21265580625920. Its totient is φ = 19138871794392.

The previous prime is 20202222022109. The next prime is 20202222022121. The reversal of 20202222022111 is 11122022220202.

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 20202222022111 - 2¹ = 20202222022109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202222022121) 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, 3199906 + ... + 7116448.

It is an arithmetic number, because the mean of its divisors is an integer number (2658197578240).

Almost surely, 2^{20202222022111} is an apocalyptic number.

20202222022111 is a deficient number, since it is larger than the sum of its proper divisors (1063358603809).

20202222022111 is a wasteful number, since it uses less digits than its factorization.

20202222022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188045.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20202222022111 its reverse (11122022220202), we get a palindrome (31324244242313).

The spelling of 20202222022111 in words is "twenty trillion, two hundred two billion, two hundred twenty-two million, twenty-two thousand, one hundred eleven".