121400114424 has 32 divisors (see below), whose sum is σ = 303508840320. Its totient is φ = 40465564256.

The previous prime is 121400114399. The next prime is 121400114449. The reversal of 121400114424 is 424411004121.

It is an interprime number because it is at equal distance from previous prime (121400114399) and next prime (121400114449).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 121400114394 and 121400114403.

It is a congruent number.

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, 1557157 + ... + 1633259.

It is an arithmetic number, because the mean of its divisors is an integer number (9484651260).

Almost surely, 2^121400114424 is an apocalyptic number.

It is an amenable number.

121400114424 is an abundant number, since it is smaller than the sum of its proper divisors (182108725896).

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

121400114424 is a wasteful number, since it uses less digits than its factorization.

121400114424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142579 (or 142575 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 121400114424 its reverse (424411004121), we get a palindrome (545811118545).

The spelling of 121400114424 in words is "one hundred twenty-one billion, four hundred million, one hundred fourteen thousand, four hundred twenty-four".