22220210210111 has 4 divisors (see below), whose sum is σ = 22449284542272. Its totient is φ = 21991135877952.

The previous prime is 22220210210087. The next prime is 22220210210207. The reversal of 22220210210111 is 11101201202222.

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 22220210210111 - 2¹⁸ = 22220209947967 is a prime.

It is a super-2 number, since 2×22220210210111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22220210210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220210210711) 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, 114537165935 + ... + 114537166128.

It is an arithmetic number, because the mean of its divisors is an integer number (5612321135568).

Almost surely, 2^{22220210210111} is an apocalyptic number.

22220210210111 is a deficient number, since it is larger than the sum of its proper divisors (229074332161).

22220210210111 is an equidigital number, since it uses as much as digits as its factorization.

22220210210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229074332160.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22220210210111 its reverse (11101201202222), we get a palindrome (33321411412333).

The spelling of 22220210210111 in words is "twenty-two trillion, two hundred twenty billion, two hundred ten million, two hundred ten thousand, one hundred eleven".