12121303101 has 16 divisors (see below), whose sum is σ = 16727256000. Its totient is φ = 7798383488.

The previous prime is 12121303091. The next prime is 12121303111. The reversal of 12121303101 is 10130312121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12121303091) and next prime (12121303111).

It is a cyclic number.

It is not a de Polignac number, because 12121303101 - 2⁵ = 12121303069 is a prime.

It is a super-3 number, since 3×12121303101³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121303111) 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, 149425 + ... + 215801.

It is an arithmetic number, because the mean of its divisors is an integer number (1045453500).

Almost surely, 2^12121303101 is an apocalyptic number.

It is an amenable number.

12121303101 is a deficient number, since it is larger than the sum of its proper divisors (4605952899).

12121303101 is a wasteful number, since it uses less digits than its factorization.

12121303101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68508.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12121303101 its reverse (10130312121), we get a palindrome (22251615222).

The spelling of 12121303101 in words is "twelve billion, one hundred twenty-one million, three hundred three thousand, one hundred one".