20220201111 has 32 divisors (see below), whose sum is σ = 29789222400. Its totient is φ = 12097872000.

The previous prime is 20220201097. The next prime is 20220201139. The reversal of 20220201111 is 11110202202.

It is not a de Polignac number, because 20220201111 - 2⁹ = 20220200599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220201011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1154526 + ... + 1171908.

It is an arithmetic number, because the mean of its divisors is an integer number (930913200).

Almost surely, 2^20220201111 is an apocalyptic number.

20220201111 is a deficient number, since it is larger than the sum of its proper divisors (9569021289).

20220201111 is a wasteful number, since it uses less digits than its factorization.

20220201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17847.

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

Adding to 20220201111 its reverse (11110202202), we get a palindrome (31330403313).

The spelling of 20220201111 in words is "twenty billion, two hundred twenty million, two hundred one thousand, one hundred eleven".