2102021213332 has 6 divisors (see below), whose sum is σ = 3678537123338. Its totient is φ = 1051010606664.

The previous prime is 2102021213317. The next prime is 2102021213351. The reversal of 2102021213332 is 2333121202012.

It can be written as a sum of positive squares in only one way, i.e., 1355794756996 + 746226456336 = 1164386^2 + 863844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262752651663 + ... + 262752651670.

Almost surely, 2^{2102021213332} is an apocalyptic number.

It is an amenable number.

2102021213332 is a deficient number, since it is larger than the sum of its proper divisors (1576515910006).

2102021213332 is a wasteful number, since it uses less digits than its factorization.

2102021213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525505303337 (or 525505303335 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2102021213332 its reverse (2333121202012), we get a palindrome (4435142415344).

The spelling of 2102021213332 in words is "two trillion, one hundred two billion, twenty-one million, two hundred thirteen thousand, three hundred thirty-two".