121002023021201 has 12 divisors (see below), whose sum is σ = 141600314374848. Its totient is φ = 103094965715112.

The previous prime is 121002023021069. The next prime is 121002023021291. The reversal of 121002023021201 is 102120320200121.

It is not a de Polignac number, because 121002023021201 - 2¹⁴ = 121002023004817 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121002023021201.

It is not an unprimeable number, because it can be changed into a prime (121002023021291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7393491941 + ... + 7393508306.

It is an arithmetic number, because the mean of its divisors is an integer number (11800026197904).

Almost surely, 2^{121002023021201} is an apocalyptic number.

It is an amenable number.

121002023021201 is a deficient number, since it is larger than the sum of its proper divisors (20598291353647).

121002023021201 is a wasteful number, since it uses less digits than its factorization.

121002023021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14787000428 (or 14787000421 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121002023021201 its reverse (102120320200121), we get a palindrome (223122343221322).

The spelling of 121002023021201 in words is "one hundred twenty-one trillion, two billion, twenty-three million, twenty-one thousand, two hundred one".