111310101221100 has 72 divisors (see below), whose sum is σ = 323856428736960. Its totient is φ = 29516868540480.

The previous prime is 111310101221027. The next prime is 111310101221113. The reversal of 111310101221100 is 1122101013111.

It is a super-2 number, since 2×111310101221100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111310101221100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1036353202 + ... + 1036460601.

It is an arithmetic number, because the mean of its divisors is an integer number (4498005954680).

Almost surely, 2^{111310101221100} is an apocalyptic number.

111310101221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111310101221100 is an abundant number, since it is smaller than the sum of its proper divisors (212546327515860).

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

111310101221100 is a wasteful number, since it uses less digits than its factorization.

111310101221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072813999 (or 2072813992 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 111310101221100 its reverse (1122101013111), we get a palindrome (112432202234211).

The spelling of 111310101221100 in words is "one hundred eleven trillion, three hundred ten billion, one hundred one million, two hundred twenty-one thousand, one hundred".