20220111021111 has 8 divisors (see below), whose sum is σ = 27329465124720. Its totient is φ = 13295415465792.

The previous prime is 20220111021107. The next prime is 20220111021157. The reversal of 20220111021111 is 11112011102202.

It is a happy number.

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

It is not a de Polignac number, because 20220111021111 - 2² = 20220111021107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220111021911) 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, 46164636816 + ... + 46164637253.

It is an arithmetic number, because the mean of its divisors is an integer number (3416183140590).

Almost surely, 2^{20220111021111} is an apocalyptic number.

20220111021111 is a deficient number, since it is larger than the sum of its proper divisors (7109354103609).

20220111021111 is an equidigital number, since it uses as much as digits as its factorization.

20220111021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92329274145.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20220111021111 its reverse (11112011102202), we get a palindrome (31332122123313).

The spelling of 20220111021111 in words is "twenty trillion, two hundred twenty billion, one hundred eleven million, twenty-one thousand, one hundred eleven".