2130121302002 has 16 divisors (see below), whose sum is σ = 3196898097432. Its totient is φ = 1064488763520.

The previous prime is 2130121301989. The next prime is 2130121302013. The reversal of 2130121302002 is 2002031210312.

It can be written as a sum of positive squares in 4 ways, for example, as 523309006801 + 1606812295201 = 723401^2 + 1267601^2 .

It is a super-2 number, since 2×2130121302002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29279552 + ... + 29352212.

Almost surely, 2^{2130121302002} is an apocalyptic number.

2130121302002 is a deficient number, since it is larger than the sum of its proper divisors (1066776795430).

2130121302002 is a wasteful number, since it uses less digits than its factorization.

2130121302002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80333.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2130121302002 its reverse (2002031210312), we get a palindrome (4132152512314).

The spelling of 2130121302002 in words is "two trillion, one hundred thirty billion, one hundred twenty-one million, three hundred two thousand, two".