2112200220202 has 4 divisors (see below), whose sum is σ = 3168300330306. Its totient is φ = 1056100110100.

The previous prime is 2112200220197. The next prime is 2112200220269. The reversal of 2112200220202 is 2020220022112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1438059054481 + 674141165721 = 1199191^2 + 821061^2 .

It is a super-2 number, since 2×2112200220202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528050055049 + ... + 528050055052.

Almost surely, 2^{2112200220202} is an apocalyptic number.

2112200220202 is a deficient number, since it is larger than the sum of its proper divisors (1056100110104).

2112200220202 is a wasteful number, since it uses less digits than its factorization.

2112200220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056100110103.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2112200220202 its reverse (2020220022112), we get a palindrome (4132420242314).

The spelling of 2112200220202 in words is "two trillion, one hundred twelve billion, two hundred million, two hundred twenty thousand, two hundred two".