222111202212011 has 8 divisors (see below), whose sum is σ = 253842396402144. Its totient is φ = 190380263633280.

The previous prime is 222111202211957. The next prime is 222111202212019. The reversal of 222111202212011 is 110212202111222.

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

It is a de Polignac number, because none of the positive numbers 2^k-222111202212011 is a prime.

It is a super-2 number, since 2×222111202212011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222111202212019) 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, 62037200 + ... + 65519741.

It is an arithmetic number, because the mean of its divisors is an integer number (31730299550268).

Almost surely, 2^{222111202212011} is an apocalyptic number.

222111202212011 is a deficient number, since it is larger than the sum of its proper divisors (31731194190133).

222111202212011 is a wasteful number, since it uses less digits than its factorization.

222111202212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127805701.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222111202212011 its reverse (110212202111222), we get a palindrome (332323404323233).

The spelling of 222111202212011 in words is "two hundred twenty-two trillion, one hundred eleven billion, two hundred two million, two hundred twelve thousand, eleven".