20022201111 has 16 divisors (see below), whose sum is σ = 29126522880. Its totient is φ = 12133283520.

The previous prime is 20022201077. The next prime is 20022201139. The reversal of 20022201111 is 11110222002.

It is not a de Polignac number, because 20022201111 - 2¹³ = 20022192919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022201611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310555 + ... + 369443.

It is an arithmetic number, because the mean of its divisors is an integer number (1820407680).

Almost surely, 2^20022201111 is an apocalyptic number.

20022201111 is a deficient number, since it is larger than the sum of its proper divisors (9104321769).

20022201111 is a wasteful number, since it uses less digits than its factorization.

20022201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69206.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20022201111 its reverse (11110222002), we get a palindrome (31132423113).

The spelling of 20022201111 in words is "twenty billion, twenty-two million, two hundred one thousand, one hundred eleven".