111402241210 has 16 divisors (see below), whose sum is σ = 215948960136. Its totient is φ = 41133135168.

The previous prime is 111402241163. The next prime is 111402241229. The reversal of 111402241210 is 12142204111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43026790041 + 68375451169 = 207429^2 + 261487^2 .

It is a super-2 number, since 2×111402241210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428470029 + ... + 428470288.

Almost surely, 2^111402241210 is an apocalyptic number.

111402241210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111402241210 is a deficient number, since it is larger than the sum of its proper divisors (104546718926).

111402241210 is a wasteful number, since it uses less digits than its factorization.

111402241210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856940337.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111402241210 its reverse (12142204111), we get a palindrome (123544445321).

The spelling of 111402241210 in words is "one hundred eleven billion, four hundred two million, two hundred forty-one thousand, two hundred ten".