111221211110002 has 48 divisors (see below), whose sum is σ = 206158021344000. Its totient is φ = 44743195282464.

The previous prime is 111221211109999. The next prime is 111221211110057. The reversal of 111221211110002 is 200011112122111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273797602 + ... + 274203517.

It is an arithmetic number, because the mean of its divisors is an integer number (4294958778000).

Almost surely, 2^{111221211110002} is an apocalyptic number.

111221211110002 is a deficient number, since it is larger than the sum of its proper divisors (94936810233998).

111221211110002 is a wasteful number, since it uses less digits than its factorization.

111221211110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548001263 (or 548001256 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111221211110002 its reverse (200011112122111), we get a palindrome (311232323232113).

The spelling of 111221211110002 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred eleven million, one hundred ten thousand, two".