2021131200002 has 16 divisors (see below), whose sum is σ = 3035076919992. Its totient is φ = 1009439034240.

The previous prime is 2021131200001. The next prime is 2021131200037. The reversal of 2021131200002 is 2000021311202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1685715319201 + 335415880801 = 1298351^2 + 579151^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021131200002.

It is not an unprimeable number, because it can be changed into a prime (2021131200001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43092188 + ... + 43139064.

Almost surely, 2^{2021131200002} is an apocalyptic number.

2021131200002 is a deficient number, since it is larger than the sum of its proper divisors (1013945719990).

2021131200002 is a wasteful number, since it uses less digits than its factorization.

2021131200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70453.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2021131200002 its reverse (2000021311202), we get a palindrome (4021152511204).

The spelling of 2021131200002 in words is "two trillion, twenty-one billion, one hundred thirty-one million, two hundred thousand, two".