222220213311112 has 8 divisors (see below), whose sum is σ = 416662899958350. Its totient is φ = 111110106655552.

The previous prime is 222220213311091. The next prime is 222220213311227. The reversal of 222220213311112 is 211113312022222.

It can be written as a sum of positive squares in only one way, i.e., 140707376136196 + 81512837174916 = 11862014^2 + 9028446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×222220213311112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888763331937 + ... + 13888763331952.

Almost surely, 2^{222220213311112} is an apocalyptic number.

It is an amenable number.

222220213311112 is a deficient number, since it is larger than the sum of its proper divisors (194442686647238).

222220213311112 is a wasteful number, since it uses less digits than its factorization.

222220213311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27777526663895 (or 27777526663891 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 222220213311112 its reverse (211113312022222), we get a palindrome (433333525333334).

The spelling of 222220213311112 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred thirteen million, three hundred eleven thousand, one hundred twelve".