111420351 has 24 divisors (see below), whose sum is σ = 193614720. Its totient is φ = 60317136.

The previous prime is 111420341. The next prime is 111420359. The reversal of 111420351 is 153024111.

It is not a de Polignac number, because 111420351 - 2⁷ = 111420223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111420359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45345 + ... + 47738.

It is an arithmetic number, because the mean of its divisors is an integer number (8067280).

Almost surely, 2^111420351 is an apocalyptic number.

111420351 is a deficient number, since it is larger than the sum of its proper divisors (82194369).

111420351 is a wasteful number, since it uses less digits than its factorization.

111420351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93115 (or 93112 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 111420351 is about 10555.5838777398. The cubic root of 111420351 is about 481.1954447406.

Adding to 111420351 its reverse (153024111), we get a palindrome (264444462).

The spelling of 111420351 in words is "one hundred eleven million, four hundred twenty thousand, three hundred fifty-one".