111002421403 has 4 divisors (see below), whose sum is σ = 111070900768. Its totient is φ = 110933942040.

The previous prime is 111002421373. The next prime is 111002421419. The reversal of 111002421403 is 304124200111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111002421403 - 2²⁹ = 110465550491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111002421703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34237251 + ... + 34240492.

It is an arithmetic number, because the mean of its divisors is an integer number (27767725192).

Almost surely, 2^111002421403 is an apocalyptic number.

111002421403 is a deficient number, since it is larger than the sum of its proper divisors (68479365).

111002421403 is an equidigital number, since it uses as much as digits as its factorization.

111002421403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68479364.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 111002421403 its reverse (304124200111), we get a palindrome (415126621514).

The spelling of 111002421403 in words is "one hundred eleven billion, two million, four hundred twenty-one thousand, four hundred three".