20220202111 has 4 divisors (see below), whose sum is σ = 20220784272. Its totient is φ = 20219619952.

The previous prime is 20220202099. The next prime is 20220202139. The reversal of 20220202111 is 11120202202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220202111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220202091 and 20220202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220202151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235435 + ... + 309628.

It is an arithmetic number, because the mean of its divisors is an integer number (5055196068).

Almost surely, 2^20220202111 is an apocalyptic number.

20220202111 is a deficient number, since it is larger than the sum of its proper divisors (582161).

20220202111 is an equidigital number, since it uses as much as digits as its factorization.

20220202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582160.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220202111 its reverse (11120202202), we get a palindrome (31340404313).

Subtracting from 20220202111 its reverse (11120202202), we obtain a palindrome (9099999909).

The spelling of 20220202111 in words is "twenty billion, two hundred twenty million, two hundred two thousand, one hundred eleven".