121140140204 has 12 divisors (see below), whose sum is σ = 212022877584. Its totient is φ = 60562175184.

The previous prime is 121140140189. The next prime is 121140140269. The reversal of 121140140204 is 402041041121.

It is a super-3 number, since 3×121140140204³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1939139 + ... + 2000634.

It is an arithmetic number, because the mean of its divisors is an integer number (17668573132).

Almost surely, 2^121140140204 is an apocalyptic number.

It is an amenable number.

121140140204 is a deficient number, since it is larger than the sum of its proper divisors (90882737380).

121140140204 is a wasteful number, since it uses less digits than its factorization.

121140140204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947464 (or 3947462 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121140140204 its reverse (402041041121), we get a palindrome (523181181325).

The spelling of 121140140204 in words is "one hundred twenty-one billion, one hundred forty million, one hundred forty thousand, two hundred four".