111221011200122 has 12 divisors (see below), whose sum is σ = 168865752183450. Its totient is φ = 54940499501688.

The previous prime is 111221011200023. The next prime is 111221011200239. The reversal of 111221011200122 is 221002110122111.

It can be written as a sum of positive squares in only one way, i.e., 106810385377921 + 4410625822201 = 10334911^2 + 2100149^2 .

It is a super-2 number, since 2×111221011200122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111221011200122.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4036167497 + ... + 4036195052.

Almost surely, 2^{111221011200122} is an apocalyptic number.

111221011200122 is a deficient number, since it is larger than the sum of its proper divisors (57644740983328).

111221011200122 is an frugal number, since it uses more digits than its factorization.

111221011200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072362717 (or 8072362634 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111221011200122 its reverse (221002110122111), we get a palindrome (332223121322233).

The spelling of 111221011200122 in words is "one hundred eleven trillion, two hundred twenty-one billion, eleven million, two hundred thousand, one hundred twenty-two".