111221434010 has 16 divisors (see below), whose sum is σ = 200266337736. Its totient is φ = 44473516608.

The previous prime is 111221434007. The next prime is 111221434031. The reversal of 111221434010 is 10434122111.

It can be written as a sum of positive squares in 4 ways, for example, as 73732342369 + 37489091641 = 271537^2 + 193621^2 .

It is a super-3 number, since 3×111221434010³ (a number of 34 digits) contains 333 as substring.

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, 1851077 + ... + 1910216.

Almost surely, 2^111221434010 is an apocalyptic number.

111221434010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111221434010 is a deficient number, since it is larger than the sum of its proper divisors (89044903726).

111221434010 is a wasteful number, since it uses less digits than its factorization.

111221434010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764257.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111221434010 its reverse (10434122111), we get a palindrome (121655556121).

The spelling of 111221434010 in words is "one hundred eleven billion, two hundred twenty-one million, four hundred thirty-four thousand, ten".