22101010122111 has 8 divisors (see below), whose sum is σ = 29498934815280. Its totient is φ = 14718546088512.

The previous prime is 22101010122109. The next prime is 22101010122131. The reversal of 22101010122111 is 11122101010122.

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 22101010122111 - 2¹ = 22101010122109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101010122131) 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, 3865161556 + ... + 3865167273.

It is an arithmetic number, because the mean of its divisors is an integer number (3687366851910).

Almost surely, 2^{22101010122111} is an apocalyptic number.

22101010122111 is a deficient number, since it is larger than the sum of its proper divisors (7397924693169).

22101010122111 is an equidigital number, since it uses as much as digits as its factorization.

22101010122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7730329785.

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

Adding to 22101010122111 its reverse (11122101010122), we get a palindrome (33223111132233).

It can be divided in two parts, 22101010122 and 111, that multiplied together give a palindrome (2453212123542).

The spelling of 22101010122111 in words is "twenty-two trillion, one hundred one billion, ten million, one hundred twenty-two thousand, one hundred eleven".