111311212010 has 16 divisors (see below), whose sum is σ = 205247016072. Its totient is φ = 43438521600.

The previous prime is 111311212003. The next prime is 111311212013. The reversal of 111311212010 is 10212113111.

111311212010 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 4 ways, for example, as 86551874809 + 24759337201 = 294197^2 + 157351^2 .

It is not an unprimeable number, because it can be changed into a prime (111311212013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135744971 + ... + 135745790.

Almost surely, 2^111311212010 is an apocalyptic number.

111311212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111311212010 is a deficient number, since it is larger than the sum of its proper divisors (93935804062).

111311212010 is a wasteful number, since it uses less digits than its factorization.

111311212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271490809.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111311212010 its reverse (10212113111), we get a palindrome (121523325121).

The spelling of 111311212010 in words is "one hundred eleven billion, three hundred eleven million, two hundred twelve thousand, ten".