121101115004 has 12 divisors (see below), whose sum is σ = 211931616624. Its totient is φ = 60549224544.

The previous prime is 121101115001. The next prime is 121101115007. The reversal of 121101115004 is 400511101121.

It is an interprime number because it is at equal distance from previous prime (121101115001) and next prime (121101115007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101115001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112592 + ... + 504855.

It is an arithmetic number, because the mean of its divisors is an integer number (17660968052).

Almost surely, 2^121101115004 is an apocalyptic number.

It is an amenable number.

121101115004 is a deficient number, since it is larger than the sum of its proper divisors (90830501620).

121101115004 is a wasteful number, since it uses less digits than its factorization.

121101115004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666484 (or 666482 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 121101115004 its reverse (400511101121), we get a palindrome (521612216125).

The spelling of 121101115004 in words is "one hundred twenty-one billion, one hundred one million, one hundred fifteen thousand, four".