2121302011302 has 48 divisors (see below), whose sum is σ = 4782754342080. Its totient is φ = 678950412336.

The previous prime is 2121302011289. The next prime is 2121302011331. The reversal of 2121302011302 is 2031102031212.

2121302011302 is a `hidden beast` number, since 212 + 130 + 20 + 1 + 1 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23180608 + ... + 23271939.

It is an arithmetic number, because the mean of its divisors is an integer number (99640715460).

Almost surely, 2^{2121302011302} is an apocalyptic number.

2121302011302 is an abundant number, since it is smaller than the sum of its proper divisors (2661452330778).

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

2121302011302 is a wasteful number, since it uses less digits than its factorization.

2121302011302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46452657 (or 46452654 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2121302011302 its reverse (2031102031212), we get a palindrome (4152404042514).

The spelling of 2121302011302 in words is "two trillion, one hundred twenty-one billion, three hundred two million, eleven thousand, three hundred two".