222144402401111 has 16 divisors (see below), whose sum is σ = 223648975650048. Its totient is φ = 220643561433600.

The previous prime is 222144402401069. The next prime is 222144402401123. The reversal of 222144402401111 is 111104204441222.

It is a cyclic number.

It is not a de Polignac number, because 222144402401111 - 2²² = 222144398206807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222144402401191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014382856 + ... + 1014601826.

It is an arithmetic number, because the mean of its divisors is an integer number (13978060978128).

Almost surely, 2^{222144402401111} is an apocalyptic number.

222144402401111 is a deficient number, since it is larger than the sum of its proper divisors (1504573248937).

222144402401111 is a wasteful number, since it uses less digits than its factorization.

222144402401111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227462.

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 222144402401111 its reverse (111104204441222), we get a palindrome (333248606842333).

The spelling of 222144402401111 in words is "two hundred twenty-two trillion, one hundred forty-four billion, four hundred two million, four hundred one thousand, one hundred eleven".