111121423040 has 56 divisors (see below), whose sum is σ = 264639076512. Its totient is φ = 44443330560.

The previous prime is 111121423013. The next prime is 111121423079. The reversal of 111121423040 is 40324121111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3827780 + ... + 3856700.

Almost surely, 2^111121423040 is an apocalyptic number.

111121423040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111121423040 is an abundant number, since it is smaller than the sum of its proper divisors (153517653472).

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

111121423040 is a wasteful number, since it uses less digits than its factorization.

111121423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40945 (or 40935 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111121423040 its reverse (40324121111), we get a palindrome (151445544151).

The spelling of 111121423040 in words is "one hundred eleven billion, one hundred twenty-one million, four hundred twenty-three thousand, forty".