111221210101102 has 32 divisors (see below), whose sum is σ = 178955665096320. Its totient is φ = 51681093628320.

The previous prime is 111221210100899. The next prime is 111221210101123. The reversal of 111221210101102 is 201101012122111.

It is a super-2 number, since 2×111221210101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7512573 + ... + 16699735.

It is an arithmetic number, because the mean of its divisors is an integer number (5592364534260).

Almost surely, 2^{111221210101102} is an apocalyptic number.

111221210101102 is a deficient number, since it is larger than the sum of its proper divisors (67734454995218).

111221210101102 is a wasteful number, since it uses less digits than its factorization.

111221210101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193248.

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

Adding to 111221210101102 its reverse (201101012122111), we get a palindrome (312322222223213).

The spelling of 111221210101102 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred ten million, one hundred one thousand, one hundred two".