222112111021011 has 12 divisors (see below), whose sum is σ = 337714320850920. Its totient is φ = 140281333276320.

The previous prime is 222112111020953. The next prime is 222112111021037. The reversal of 222112111021011 is 110120111211222.

It is a happy number.

222112111021011 is a `hidden beast` number, since 2 + 221 + 1 + 211 + 10 + 210 + 11 = 666.

It is not a de Polignac number, because 222112111021011 - 2¹⁹ = 222112110496723 is a prime.

It is a super-2 number, since 2×222112111021011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222112111021111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649450616850 + ... + 649450617191.

It is an arithmetic number, because the mean of its divisors is an integer number (28142860070910).

Almost surely, 2^{222112111021011} is an apocalyptic number.

222112111021011 is a deficient number, since it is larger than the sum of its proper divisors (115602209829909).

222112111021011 is a wasteful number, since it uses less digits than its factorization.

222112111021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298901234066 (or 1298901234063 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 222112111021011 its reverse (110120111211222), we get a palindrome (332232222232233).

The spelling of 222112111021011 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred eleven million, twenty-one thousand, eleven".