2021212002002 has 8 divisors (see below), whose sum is σ = 3031830457212. Its totient is φ = 1010601849600.

The previous prime is 2021212001981. The next prime is 2021212002097. The reversal of 2021212002002 is 2002002121202.

It can be written as a sum of positive squares in 2 ways, for example, as 2012372053561 + 8839948441 = 1418581^2 + 94021^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426499 + ... + 2465222.

Almost surely, 2^{2021212002002} is an apocalyptic number.

2021212002002 is a deficient number, since it is larger than the sum of its proper divisors (1010618455210).

2021212002002 is a wasteful number, since it uses less digits than its factorization.

2021212002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151404.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2021212002002 its reverse (2002002121202), we get a palindrome (4023214123204).

The spelling of 2021212002002 in words is "two trillion, twenty-one billion, two hundred twelve million, two thousand, two".