22101210010111 has 4 divisors (see below), whose sum is σ = 22153706946424. Its totient is φ = 22048713073800.

The previous prime is 22101210010097. The next prime is 22101210010153. The reversal of 22101210010111 is 11101001210122.

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 22101210010111 - 2¹¹ = 22101210008063 is a prime.

It is a super-2 number, since 2×22101210010111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101210010091 and 22101210010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101210010511) 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, 26248467525 + ... + 26248468366.

It is an arithmetic number, because the mean of its divisors is an integer number (5538426736606).

Almost surely, 2^{22101210010111} is an apocalyptic number.

22101210010111 is a deficient number, since it is larger than the sum of its proper divisors (52496936313).

22101210010111 is an equidigital number, since it uses as much as digits as its factorization.

22101210010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52496936312.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22101210010111 its reverse (11101001210122), we get a palindrome (33202211220233).

The spelling of 22101210010111 in words is "twenty-two trillion, one hundred one billion, two hundred ten million, ten thousand, one hundred eleven".