111120210001012 has 24 divisors (see below), whose sum is σ = 205965185234760. Its totient is φ = 52275108587520.

The previous prime is 111120210000953. The next prime is 111120210001049. The reversal of 111120210001012 is 210100012021111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2783004678756 + 108337205322256 = 1668234^2 + 10408516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111120210000983 and 111120210001001.

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, 261582187 + ... + 262006642.

It is an arithmetic number, because the mean of its divisors is an integer number (8581882718115).

Almost surely, 2^{111120210001012} is an apocalyptic number.

It is an amenable number.

111120210001012 is a deficient number, since it is larger than the sum of its proper divisors (94844975233748).

111120210001012 is a wasteful number, since it uses less digits than its factorization.

111120210001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523591971 (or 523591969 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111120210001012 its reverse (210100012021111), we get a palindrome (321220222022123).

The spelling of 111120210001012 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred ten million, one thousand, twelve".