121145240100004 has 24 divisors (see below), whose sum is σ = 214991657092800. Its totient is φ = 59719064364960.

The previous prime is 121145240099981. The next prime is 121145240100029. The reversal of 121145240100004 is 400001042541121.

It is a super-3 number, since 3×121145240100004³ (a number of 43 digits) contains 333 as substring.

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, 41054542 + ... + 43906330.

It is an arithmetic number, because the mean of its divisors is an integer number (8957985712200).

Almost surely, 2^{121145240100004} is an apocalyptic number.

It is an amenable number.

121145240100004 is a deficient number, since it is larger than the sum of its proper divisors (93846416992796).

121145240100004 is a wasteful number, since it uses less digits than its factorization.

121145240100004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001443 (or 3001441 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 121145240100004 its reverse (400001042541121), we get a palindrome (521146282641125).

The spelling of 121145240100004 in words is "one hundred twenty-one trillion, one hundred forty-five billion, two hundred forty million, one hundred thousand, four".