121002201012113 has 4 divisors (see below), whose sum is σ = 121004568595380. Its totient is φ = 120999833428848.

The previous prime is 121002201012101. The next prime is 121002201012149. The reversal of 121002201012113 is 311210102200121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116078386465024 + 4923814547089 = 10773968^2 + 2218967^2 .

It is a cyclic number.

It is not a de Polignac number, because 121002201012113 - 2¹⁴ = 121002200995729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121002201012091 and 121002201012100.

It is not an unprimeable number, because it can be changed into a prime (121002201912113) 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, 1183714970 + ... + 1183817187.

It is an arithmetic number, because the mean of its divisors is an integer number (30251142148845).

Almost surely, 2^{121002201012113} is an apocalyptic number.

It is an amenable number.

121002201012113 is a deficient number, since it is larger than the sum of its proper divisors (2367583267).

121002201012113 is an equidigital number, since it uses as much as digits as its factorization.

121002201012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367583266.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121002201012113 its reverse (311210102200121), we get a palindrome (432212303212234).

The spelling of 121002201012113 in words is "one hundred twenty-one trillion, two billion, two hundred one million, twelve thousand, one hundred thirteen".