2212112021002 has 16 divisors (see below), whose sum is σ = 3573745113960. Its totient is φ = 1020879525312.

The previous prime is 2212112020997. The next prime is 2212112021003. The reversal of 2212112021002 is 2001202112122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 709602379641 + 1502509641361 = 842379^2 + 1225769^2 .

It is not an unprimeable number, because it can be changed into a prime (2212112021003) 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, 3684477 + ... + 4242592.

Almost surely, 2^{2212112021002} is an apocalyptic number.

2212112021002 is a deficient number, since it is larger than the sum of its proper divisors (1361633092958).

2212112021002 is a wasteful number, since it uses less digits than its factorization.

2212112021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7937817.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2212112021002 its reverse (2001202112122), we get a palindrome (4213314133124).

The spelling of 2212112021002 in words is "two trillion, two hundred twelve billion, one hundred twelve million, twenty-one thousand, two".