221112214418 has 16 divisors (see below), whose sum is σ = 342527714304. Its totient is φ = 106939651680.

The previous prime is 221112214381. The next prime is 221112214423. The reversal of 221112214418 is 814412211122.

221112214418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221112214418² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701930 + ... + 966917.

It is an arithmetic number, because the mean of its divisors is an integer number (21407982144).

Almost surely, 2^221112214418 is an apocalyptic number.

221112214418 is a deficient number, since it is larger than the sum of its proper divisors (121415499886).

221112214418 is a wasteful number, since it uses less digits than its factorization.

221112214418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671017.

The product of its digits is 2048, while the sum is 29.

The spelling of 221112214418 in words is "two hundred twenty-one billion, one hundred twelve million, two hundred fourteen thousand, four hundred eighteen".