22101212100111 has 8 divisors (see below), whose sum is σ = 29492221296384. Its totient is φ = 14722172151960.

The previous prime is 22101212100109. The next prime is 22101212100113. The reversal of 22101212100111 is 11100121210122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22101212100109) and next prime (22101212100113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22101212100111 - 2¹ = 22101212100109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101212100113) 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, 2992307721 + ... + 2992315106.

It is an arithmetic number, because the mean of its divisors is an integer number (3686527662048).

Almost surely, 2^{22101212100111} is an apocalyptic number.

22101212100111 is a deficient number, since it is larger than the sum of its proper divisors (7391009196273).

22101212100111 is a wasteful number, since it uses less digits than its factorization.

22101212100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984624061.

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

Adding to 22101212100111 its reverse (11100121210122), we get a palindrome (33201333310233).

The spelling of 22101212100111 in words is "twenty-two trillion, one hundred one billion, two hundred twelve million, one hundred thousand, one hundred eleven".