2121211000002 has 16 divisors (see below), whose sum is σ = 4248473965632. Its totient is φ = 706061672400.

The previous prime is 2121210999997. The next prime is 2121211000003. The reversal of 2121211000002 is 2000001121212.

It is a super-3 number, since 3×2121211000002³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2121211000003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252160678 + ... + 252169089.

It is an arithmetic number, because the mean of its divisors is an integer number (265529622852).

Almost surely, 2^{2121211000002} is an apocalyptic number.

2121211000002 is an abundant number, since it is smaller than the sum of its proper divisors (2127262965630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121211000002 is a wasteful number, since it uses less digits than its factorization.

2121211000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504330473.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2121211000002 its reverse (2000001121212), we get a palindrome (4121212121214).

The spelling of 2121211000002 in words is "two trillion, one hundred twenty-one billion, two hundred eleven million, two", and thus it is an aban number.