2130021332121 has 16 divisors (see below), whose sum is σ = 2842824409920. Its totient is φ = 1418616454080.

The previous prime is 2130021332071. The next prime is 2130021332129. The reversal of 2130021332121 is 1212331200312.

It is not a de Polignac number, because 2130021332121 - 2²² = 2130017137817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2130021332129) 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, 62167831 + ... + 62202083.

It is an arithmetic number, because the mean of its divisors is an integer number (177676525620).

Almost surely, 2^{2130021332121} is an apocalyptic number.

It is an amenable number.

2130021332121 is a deficient number, since it is larger than the sum of its proper divisors (712803077799).

2130021332121 is a wasteful number, since it uses less digits than its factorization.

2130021332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54056.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2130021332121 its reverse (1212331200312), we get a palindrome (3342352532433).

The spelling of 2130021332121 in words is "two trillion, one hundred thirty billion, twenty-one million, three hundred thirty-two thousand, one hundred twenty-one".