121114100440 has 32 divisors (see below), whose sum is σ = 272869652160. Its totient is φ = 48381120000.

The previous prime is 121114100431. The next prime is 121114100449. The reversal of 121114100440 is 44001411121.

It is an interprime number because it is at equal distance from previous prime (121114100431) and next prime (121114100449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121114100449) 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, 1985841 + ... + 2045920.

It is an arithmetic number, because the mean of its divisors is an integer number (8527176630).

Almost surely, 2^121114100440 is an apocalyptic number.

121114100440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121114100440 is an abundant number, since it is smaller than the sum of its proper divisors (151755551720).

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

121114100440 is a wasteful number, since it uses less digits than its factorization.

121114100440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032523 (or 4032519 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121114100440 its reverse (44001411121), we get a palindrome (165115511561).

The spelling of 121114100440 in words is "one hundred twenty-one billion, one hundred fourteen million, one hundred thousand, four hundred forty".