22102100123111 has 4 divisors (see below), whose sum is σ = 22110764218224. Its totient is φ = 22093436028000.

The previous prime is 22102100123053. The next prime is 22102100123141. The reversal of 22102100123111 is 11132100120122.

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 22102100123111 - 2²² = 22102095928807 is a prime.

It is a super-3 number, since 3×22102100123111³ (a number of 41 digits) contains 333 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 22102100123111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102100123141) 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, 4332043730 + ... + 4332048831.

It is an arithmetic number, because the mean of its divisors is an integer number (5527691054556).

Almost surely, 2^{22102100123111} is an apocalyptic number.

22102100123111 is a deficient number, since it is larger than the sum of its proper divisors (8664095113).

22102100123111 is an equidigital number, since it uses as much as digits as its factorization.

22102100123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8664095112.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 22102100123111 its reverse (11132100120122), we get a palindrome (33234200243233).

The spelling of 22102100123111 in words is "twenty-two trillion, one hundred two billion, one hundred million, one hundred twenty-three thousand, one hundred eleven".