2021112012002 has 4 divisors (see below), whose sum is σ = 3031668018006. Its totient is φ = 1010556006000.

The previous prime is 2021112011957. The next prime is 2021112012013. The reversal of 2021112012002 is 2002102111202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1885291017481 + 135820994521 = 1373059^2 + 368539^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 505278002999 + ... + 505278003002.

Almost surely, 2^{2021112012002} is an apocalyptic number.

2021112012002 is a deficient number, since it is larger than the sum of its proper divisors (1010556006004).

2021112012002 is a wasteful number, since it uses less digits than its factorization.

2021112012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010556006003.

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

Adding to 2021112012002 its reverse (2002102111202), we get a palindrome (4023214123204).

The spelling of 2021112012002 in words is "two trillion, twenty-one billion, one hundred twelve million, twelve thousand, two".