121302302113 has 8 divisors (see below), whose sum is σ = 122428670760. Its totient is φ = 120176179200.

The previous prime is 121302302111. The next prime is 121302302137. The reversal of 121302302113 is 311203203121.

It can be written as a sum of positive squares in 4 ways, for example, as 55482860304 + 65819441809 = 235548^2 + 256553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121302302113 - 2¹ = 121302302111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121302302111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017963 + ... + 1130863.

It is an arithmetic number, because the mean of its divisors is an integer number (15303583845).

Almost surely, 2^121302302113 is an apocalyptic number.

It is an amenable number.

121302302113 is a deficient number, since it is larger than the sum of its proper divisors (1126368647).

121302302113 is a wasteful number, since it uses less digits than its factorization.

121302302113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122867.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121302302113 its reverse (311203203121), we get a palindrome (432505505234).

The spelling of 121302302113 in words is "one hundred twenty-one billion, three hundred two million, three hundred two thousand, one hundred thirteen".