201111042294 has 28 divisors (see below), whose sum is σ = 452292944076. Its totient is φ = 67037013612.

The previous prime is 201111042289. The next prime is 201111042299. The reversal of 201111042294 is 492240111102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201111042289) and next prime (201111042299).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111042299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 68966664 + ... + 68969579.

Almost surely, 2^201111042294 is an apocalyptic number.

201111042294 is an abundant number, since it is smaller than the sum of its proper divisors (251181901782).

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

201111042294 is an equidigital number, since it uses as much as digits as its factorization.

201111042294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137936263 (or 137936248 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 201111042294 its reverse (492240111102), we get a palindrome (693351153396).

The spelling of 201111042294 in words is "two hundred one billion, one hundred eleven million, forty-two thousand, two hundred ninety-four".