111100012021134 has 16 divisors (see below), whose sum is σ = 246888915602640. Its totient is φ = 37033337340360.

The previous prime is 111100012021067. The next prime is 111100012021153. The reversal of 111100012021134 is 431120210001111.

It is a super-2 number, since 2×111100012021134² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028703814957 + ... + 1028703815064.

It is an arithmetic number, because the mean of its divisors is an integer number (15430557225165).

Almost surely, 2^{111100012021134} is an apocalyptic number.

111100012021134 is an abundant number, since it is smaller than the sum of its proper divisors (135788903581506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111100012021134 is a wasteful number, since it uses less digits than its factorization.

111100012021134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057407630032 (or 2057407630026 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111100012021134 its reverse (431120210001111), we get a palindrome (542220222022245).

The spelling of 111100012021134 in words is "one hundred eleven trillion, one hundred billion, twelve million, twenty-one thousand, one hundred thirty-four".