20220001111 has 8 divisors (see below), whose sum is σ = 20432715264. Its totient is φ = 20007726840.

The previous prime is 20220001051. The next prime is 20220001133. The reversal of 20220001111 is 11110002202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220001111 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 (20220001211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17145 + ... + 201826.

It is an arithmetic number, because the mean of its divisors is an integer number (2554089408).

Almost surely, 2^20220001111 is an apocalyptic number.

20220001111 is a deficient number, since it is larger than the sum of its proper divisors (212714153).

20220001111 is a wasteful number, since it uses less digits than its factorization.

20220001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219941.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20220001111 its reverse (11110002202), we get a palindrome (31330003313).

The spelling of 20220001111 in words is "twenty billion, two hundred twenty million, one thousand, one hundred eleven".