2102021211002 has 16 divisors (see below), whose sum is σ = 3157066168200. Its totient is φ = 1049665980480.

The previous prime is 2102021210963. The next prime is 2102021211013. The reversal of 2102021211002 is 2001121202012.

It can be written as a sum of positive squares in 4 ways, for example, as 1408966626001 + 693054585001 = 1186999^2 + 832499^2 .

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, 37785824 + ... + 37841412.

Almost surely, 2^{2102021211002} is an apocalyptic number.

2102021211002 is a deficient number, since it is larger than the sum of its proper divisors (1055044957198).

2102021211002 is a wasteful number, since it uses less digits than its factorization.

2102021211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79441.

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

Adding to 2102021211002 its reverse (2001121202012), we get a palindrome (4103142413014).

The spelling of 2102021211002 in words is "two trillion, one hundred two billion, twenty-one million, two hundred eleven thousand, two".