22011212001111 has 8 divisors (see below), whose sum is σ = 29459873097600. Its totient is φ = 14618346119352.

The previous prime is 22011212001073. The next prime is 22011212001139. The reversal of 22011212001111 is 11110021211022.

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 22011212001111 - 2³⁷ = 21873773047639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011212101111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13948802761 + ... + 13948804338.

It is an arithmetic number, because the mean of its divisors is an integer number (3682484137200).

Almost surely, 2^{22011212001111} is an apocalyptic number.

22011212001111 is a deficient number, since it is larger than the sum of its proper divisors (7448661096489).

22011212001111 is a wasteful number, since it uses less digits than its factorization.

22011212001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27897607365.

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

Adding to 22011212001111 its reverse (11110021211022), we get a palindrome (33121233212133).

The spelling of 22011212001111 in words is "twenty-two trillion, eleven billion, two hundred twelve million, one thousand, one hundred eleven".