2021121210002 has 8 divisors (see below), whose sum is σ = 3031854426300. Its totient is φ = 1010503067904.

The previous prime is 2021121210001. The next prime is 2021121210007. The reversal of 2021121210002 is 2000121211202.

It can be written as a sum of positive squares in 2 ways, for example, as 1908125059801 + 112996150201 = 1381349^2 + 336149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2021121210001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28724627 + ... + 28794902.

Almost surely, 2^{2021121210002} is an apocalyptic number.

2021121210002 is a deficient number, since it is larger than the sum of its proper divisors (1010733216298).

2021121210002 is a wasteful number, since it uses less digits than its factorization.

2021121210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57537100.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021121210002 its reverse (2000121211202), we get a palindrome (4021242421204).

The spelling of 2021121210002 in words is "two trillion, twenty-one billion, one hundred twenty-one million, two hundred ten thousand, two".