20122202111 has 24 divisors (see below), whose sum is σ = 23416926960. Its totient is φ = 17229611520.

The previous prime is 20122202081. The next prime is 20122202117. The reversal of 20122202111 is 11120222102.

It is not a de Polignac number, because 20122202111 - 2¹⁸ = 20121939967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122202117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372431 + ... + 423023.

It is an arithmetic number, because the mean of its divisors is an integer number (975705290).

Almost surely, 2^20122202111 is an apocalyptic number.

20122202111 is a deficient number, since it is larger than the sum of its proper divisors (3294724849).

20122202111 is a wasteful number, since it uses less digits than its factorization.

20122202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50807 (or 50796 counting only the distinct ones).

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

Adding to 20122202111 its reverse (11120222102), we get a palindrome (31242424213).

The spelling of 20122202111 in words is "twenty billion, one hundred twenty-two million, two hundred two thousand, one hundred eleven".