121313020101 has 96 divisors (see below), whose sum is σ = 206583686400. Its totient is φ = 61619180544.

The previous prime is 121313020079. The next prime is 121313020117. The reversal of 121313020101 is 101020313121.

It is a happy number.

It is not a de Polignac number, because 121313020101 - 2¹⁰ = 121313019077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121313020121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 115645825 + ... + 115646873.

It is an arithmetic number, because the mean of its divisors is an integer number (2151913400).

Almost surely, 2^121313020101 is an apocalyptic number.

It is an amenable number.

121313020101 is a deficient number, since it is larger than the sum of its proper divisors (85270666299).

121313020101 is a wasteful number, since it uses less digits than its factorization.

121313020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1216 counting only the distinct ones).

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

Adding to 121313020101 its reverse (101020313121), we get a palindrome (222333333222).

It can be divided in two parts, 121313020 and 101, that added together give a palindrome (121313121).

The spelling of 121313020101 in words is "one hundred twenty-one billion, three hundred thirteen million, twenty thousand, one hundred one".