2121233013130 has 128 divisors (see below), whose sum is σ = 5138639585280. Its totient is φ = 610609655040.

The previous prime is 2121233013091. The next prime is 2121233013131. The reversal of 2121233013130 is 313103321212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2121233013131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1551514 + ... + 2578693.

It is an arithmetic number, because the mean of its divisors is an integer number (40145621760).

Almost surely, 2^{2121233013130} is an apocalyptic number.

2121233013130 is an abundant number, since it is smaller than the sum of its proper divisors (3017406572150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121233013130 is a wasteful number, since it uses less digits than its factorization.

2121233013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130284.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2121233013130 its reverse (313103321212), we get a palindrome (2434336334342).

The spelling of 2121233013130 in words is "two trillion, one hundred twenty-one billion, two hundred thirty-three million, thirteen thousand, one hundred thirty".