111201201010100 has 18 divisors (see below), whose sum is σ = 241306606192134. Its totient is φ = 44480480404000.

The previous prime is 111201201010093. The next prime is 111201201010139. The reversal of 111201201010100 is 1010102102111.

111201201010100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 17480911516324 + 93720289493776 = 4181018^2 + 9680924^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556006004951 + ... + 556006005150.

Almost surely, 2^{111201201010100} is an apocalyptic number.

111201201010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111201201010100 is an abundant number, since it is smaller than the sum of its proper divisors (130105405182034).

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

111201201010100 is a wasteful number, since it uses less digits than its factorization.

111201201010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112012010115 (or 1112012010108 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111201201010100 its reverse (1010102102111), we get a palindrome (112211303112211).

The spelling of 111201201010100 in words is "one hundred eleven trillion, two hundred one billion, two hundred one million, ten thousand, one hundred".