121102413 has 4 divisors (see below), whose sum is σ = 161469888. Its totient is φ = 80734940.

The previous prime is 121102411. The next prime is 121102417. The reversal of 121102413 is 314201121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121102413 - 2¹ = 121102411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121102392 and 121102401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102411) 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, 20183733 + ... + 20183738.

It is an arithmetic number, because the mean of its divisors is an integer number (40367472).

Almost surely, 2^121102413 is an apocalyptic number.

It is an amenable number.

121102413 is a deficient number, since it is larger than the sum of its proper divisors (40367475).

121102413 is an equidigital number, since it uses as much as digits as its factorization.

121102413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40367474.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 121102413 is about 11004.6541517669. The cubic root of 121102413 is about 494.7482486801.

Adding to 121102413 its reverse (314201121), we get a palindrome (435303534).

The spelling of 121102413 in words is "one hundred twenty-one million, one hundred two thousand, four hundred thirteen".