111201121220102 has 16 divisors (see below), whose sum is σ = 170856569201472. Its totient is φ = 54251594796840.

The previous prime is 111201121220093. The next prime is 111201121220207. The reversal of 111201121220102 is 201022121102111.

It is a congruent 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, 665743628 + ... + 665910639.

It is an arithmetic number, because the mean of its divisors is an integer number (10678535575092).

Almost surely, 2^{111201121220102} is an apocalyptic number.

111201121220102 is a deficient number, since it is larger than the sum of its proper divisors (59655447981370).

111201121220102 is a wasteful number, since it uses less digits than its factorization.

111201121220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331655283.

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

Adding to 111201121220102 its reverse (201022121102111), we get a palindrome (312223242322213).

The spelling of 111201121220102 in words is "one hundred eleven trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty thousand, one hundred two".