121101513 has 12 divisors (see below), whose sum is σ = 174845520. Its totient is φ = 74523696.

The previous prime is 121101511. The next prime is 121101527. The reversal of 121101513 is 315101121.

It is not a de Polignac number, because 121101513 - 2¹ = 121101511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121101492 and 121101501.

It is not an unprimeable number, because it can be changed into a prime (121101511) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 118923 + ... + 119936.

It is an arithmetic number, because the mean of its divisors is an integer number (14570460).

Almost surely, 2^121101513 is an apocalyptic number.

121101513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121101513 is a deficient number, since it is larger than the sum of its proper divisors (53744007).

121101513 is a wasteful number, since it uses less digits than its factorization.

121101513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238888 (or 238875 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 121101513 is about 11004.6132599015. The cubic root of 121101513 is about 494.7470230659.

Adding to 121101513 its reverse (315101121), we get a palindrome (436202634).

The spelling of 121101513 in words is "one hundred twenty-one million, one hundred one thousand, five hundred thirteen".