12121202020101 has 16 divisors (see below), whose sum is σ = 16616879639808. Its totient is φ = 7854617433600.

The previous prime is 12121202020093. The next prime is 12121202020111. The reversal of 12121202020101 is 10102020212121.

12121202020101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12121202020101 - 2³ = 12121202020093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121202020111) 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, 181786516 + ... + 181853181.

It is an arithmetic number, because the mean of its divisors is an integer number (1038554977488).

Almost surely, 2^{12121202020101} is an apocalyptic number.

It is an amenable number.

12121202020101 is a deficient number, since it is larger than the sum of its proper divisors (4495677619707).

12121202020101 is a wasteful number, since it uses less digits than its factorization.

12121202020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363640012.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12121202020101 its reverse (10102020212121), we get a palindrome (22223222232222).

It can be divided in two parts, 121212020 and 20101, that added together give a palindrome (121232121).

The spelling of 12121202020101 in words is "twelve trillion, one hundred twenty-one billion, two hundred two million, twenty thousand, one hundred one".