20122222022111 has 16 divisors (see below), whose sum is σ = 22684411525248. Its totient is φ = 17690606052000.

The previous prime is 20122222022101. The next prime is 20122222022137. The reversal of 20122222022111 is 11122022222102.

It is a cyclic number.

It is not a de Polignac number, because 20122222022111 - 2⁶ = 20122222022047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122222022101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210554681 + ... + 210650226.

It is an arithmetic number, because the mean of its divisors is an integer number (1417775720328).

Almost surely, 2^{20122222022111} is an apocalyptic number.

20122222022111 is a deficient number, since it is larger than the sum of its proper divisors (2562189503137).

20122222022111 is a wasteful number, since it uses less digits than its factorization.

20122222022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421205062.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20122222022111 its reverse (11122022222102), we get a palindrome (31244244244213).

The spelling of 20122222022111 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-two thousand, one hundred eleven".