121001020200113 has 16 divisors (see below), whose sum is σ = 121531006584960. Its totient is φ = 120472452144000.

The previous prime is 121001020200091. The next prime is 121001020200121. The reversal of 121001020200113 is 311002020100121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121001020200113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121001020200173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447968783 + ... + 448238811.

It is an arithmetic number, because the mean of its divisors is an integer number (7595687911560).

Almost surely, 2^{121001020200113} is an apocalyptic number.

It is an amenable number.

121001020200113 is a deficient number, since it is larger than the sum of its proper divisors (529986384847).

121001020200113 is a wasteful number, since it uses less digits than its factorization.

121001020200113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272648.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121001020200113 its reverse (311002020100121), we get a palindrome (432003040300234).

The spelling of 121001020200113 in words is "one hundred twenty-one trillion, one billion, twenty million, two hundred thousand, one hundred thirteen".