212111021002 has 8 divisors (see below), whose sum is σ = 329137791300. Its totient is φ = 102398423904.

The previous prime is 212111020997. The next prime is 212111021021. The reversal of 212111021002 is 200120111212.

212111021002 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 209634863881 + 2476157121 = 457859^2 + 49761^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1828543227 + ... + 1828543342.

Almost surely, 2^212111021002 is an apocalyptic number.

212111021002 is a deficient number, since it is larger than the sum of its proper divisors (117026770298).

212111021002 is a wasteful number, since it uses less digits than its factorization.

212111021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657086600.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212111021002 its reverse (200120111212), we get a palindrome (412231132214).

The spelling of 212111021002 in words is "two hundred twelve billion, one hundred eleven million, twenty-one thousand, two".