20022102220111 has 6 divisors (see below), whose sum is σ = 20407005576440. Its totient is φ = 19644326703768.

The previous prime is 20022102220097. The next prime is 20022102220181. The reversal of 20022102220111 is 11102220122002.

It is a happy number.

It is not a de Polignac number, because 20022102220111 - 2¹³ = 20022102211919 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 (20022102220181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3563917131 + ... + 3563922748.

Almost surely, 2^{20022102220111} is an apocalyptic number.

20022102220111 is a deficient number, since it is larger than the sum of its proper divisors (384903356329).

20022102220111 is an frugal number, since it uses more digits than its factorization.

20022102220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127839985 (or 7127839932 counting only the distinct ones).

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

Adding to 20022102220111 its reverse (11102220122002), we get a palindrome (31124322342113).

The spelling of 20022102220111 in words is "twenty trillion, twenty-two billion, one hundred two million, two hundred twenty thousand, one hundred eleven".