121141141240 has 64 divisors (see below), whose sum is σ = 314590080960. Its totient is φ = 41122867200.

The previous prime is 121141141229. The next prime is 121141141267. The reversal of 121141141240 is 42141141121.

It is a super-3 number, since 3×121141141240³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2113537 + ... + 2170096.

It is an arithmetic number, because the mean of its divisors is an integer number (4915470015).

Almost surely, 2^121141141240 is an apocalyptic number.

121141141240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121141141240 is an abundant number, since it is smaller than the sum of its proper divisors (193448939720).

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

121141141240 is a wasteful number, since it uses less digits than its factorization.

121141141240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283752 (or 4283748 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 121141141240 its reverse (42141141121), we get a palindrome (163282282361).

The spelling of 121141141240 in words is "one hundred twenty-one billion, one hundred forty-one million, one hundred forty-one thousand, two hundred forty".