111421321130 has 32 divisors (see below), whose sum is σ = 232110973440. Its totient is φ = 37718029440.

The previous prime is 111421321127. The next prime is 111421321133. The reversal of 111421321130 is 31123124111.

It is an interprime number because it is at equal distance from previous prime (111421321127) and next prime (111421321133).

It is not an unprimeable number, because it can be changed into a prime (111421321133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10068731 + ... + 10079790.

It is an arithmetic number, because the mean of its divisors is an integer number (7253467920).

Almost surely, 2^111421321130 is an apocalyptic number.

111421321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111421321130 is an abundant number, since it is smaller than the sum of its proper divisors (120689652310).

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

111421321130 is a wasteful number, since it uses less digits than its factorization.

111421321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20148614.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111421321130 its reverse (31123124111), we get a palindrome (142544445241).

The spelling of 111421321130 in words is "one hundred eleven billion, four hundred twenty-one million, three hundred twenty-one thousand, one hundred thirty".