111101220101102 has 72 divisors (see below), whose sum is σ = 219959852414400. Its totient is φ = 41889860812800.

The previous prime is 111101220101089. The next prime is 111101220101149. The reversal of 111101220101102 is 201101022101111.

It is a super-2 number, since 2×111101220101102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 150750227 + ... + 151485422.

It is an arithmetic number, because the mean of its divisors is an integer number (3054997950200).

Almost surely, 2^{111101220101102} is an apocalyptic number.

111101220101102 is a deficient number, since it is larger than the sum of its proper divisors (108858632313298).

111101220101102 is a wasteful number, since it uses less digits than its factorization.

111101220101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302235718 (or 302235700 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111101220101102 its reverse (201101022101111), we get a palindrome (312202242202213).

The spelling of 111101220101102 in words is "one hundred eleven trillion, one hundred one billion, two hundred twenty million, one hundred one thousand, one hundred two".