111141235412 has 6 divisors (see below), whose sum is σ = 194497161978. Its totient is φ = 55570617704.

The previous prime is 111141235411. The next prime is 111141235493. The reversal of 111141235412 is 214532141111.

It can be written as a sum of positive squares in only one way, i.e., 104119800976 + 7021434436 = 322676^2 + 83794^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111141235411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13892654423 + ... + 13892654430.

It is an arithmetic number, because the mean of its divisors is an integer number (32416193663).

Almost surely, 2^111141235412 is an apocalyptic number.

It is an amenable number.

111141235412 is a deficient number, since it is larger than the sum of its proper divisors (83355926566).

111141235412 is a wasteful number, since it uses less digits than its factorization.

111141235412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27785308857 (or 27785308855 counting only the distinct ones).

The product of its digits is 960, while the sum is 26.

Adding to 111141235412 its reverse (214532141111), we get a palindrome (325673376523).

The spelling of 111141235412 in words is "one hundred eleven billion, one hundred forty-one million, two hundred thirty-five thousand, four hundred twelve".