20222102020111 has 4 divisors (see below), whose sum is σ = 20225442865752. Its totient is φ = 20218761174472.

The previous prime is 20222102020073. The next prime is 20222102020139. The reversal of 20222102020111 is 11102020122202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20222102020111 - 2¹⁵ = 20222101987343 is a prime.

It is a super-2 number, since 2×20222102020111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222102020171) 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, 1670413741 + ... + 1670425846.

It is an arithmetic number, because the mean of its divisors is an integer number (5056360716438).

Almost surely, 2^{20222102020111} is an apocalyptic number.

20222102020111 is a deficient number, since it is larger than the sum of its proper divisors (3340845641).

20222102020111 is an equidigital number, since it uses as much as digits as its factorization.

20222102020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340845640.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20222102020111 its reverse (11102020122202), we get a palindrome (31324122142313).

The spelling of 20222102020111 in words is "twenty trillion, two hundred twenty-two billion, one hundred two million, twenty thousand, one hundred eleven".