111020010040 has 16 divisors (see below), whose sum is σ = 249795022680. Its totient is φ = 44408004000.

The previous prime is 111020009987. The next prime is 111020010041. The reversal of 111020010040 is 40010020111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 111020009999 and 111020010026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020010041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387750086 + ... + 1387750165.

Almost surely, 2^111020010040 is an apocalyptic number.

111020010040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020010040 is an abundant number, since it is smaller than the sum of its proper divisors (138775012640).

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

111020010040 is a wasteful number, since it uses less digits than its factorization.

111020010040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775500262 (or 2775500258 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111020010040 its reverse (40010020111), we get a palindrome (151030030151).

The spelling of 111020010040 in words is "one hundred eleven billion, twenty million, ten thousand, forty".