111141402 has 16 divisors (see below), whose sum is σ = 222500352. Its totient is φ = 37010880.

The previous prime is 111141391. The next prime is 111141403. The reversal of 111141402 is 204141111.

It is a super-2 number, since 2×111141402² = 24704822477051208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111141403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1999 + ... + 15042.

It is an arithmetic number, because the mean of its divisors is an integer number (13906272).

Almost surely, 2^111141402 is an apocalyptic number.

111141402 is an abundant number, since it is smaller than the sum of its proper divisors (111358950).

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

111141402 is a wasteful number, since it uses less digits than its factorization.

111141402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18133.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 111141402 is about 10542.3622590006. The cubic root of 111141402 is about 480.7935398213.

Adding to 111141402 its reverse (204141111), we get a palindrome (315282513).

The spelling of 111141402 in words is "one hundred eleven million, one hundred forty-one thousand, four hundred two".