220202001122 has 4 divisors (see below), whose sum is σ = 330303001686. Its totient is φ = 110101000560.

The previous prime is 220202001121. The next prime is 220202001161. The reversal of 220202001122 is 221100202022.

220202001122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 206489356921 + 13712644201 = 454411^2 + 117101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220202001097 and 220202001106.

It is not an unprimeable number, because it can be changed into a prime (220202001121) by changing a digit.

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 as a sum of consecutive naturals, namely, 55050500279 + ... + 55050500282.

Almost surely, 2^220202001122 is an apocalyptic number.

220202001122 is a deficient number, since it is larger than the sum of its proper divisors (110101000564).

220202001122 is a wasteful number, since it uses less digits than its factorization.

220202001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110101000563.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220202001122 its reverse (221100202022), we get a palindrome (441302203144).

Subtracting 220202001122 from its reverse (221100202022), we obtain a square (898200900 = 29970²).

The spelling of 220202001122 in words is "two hundred twenty billion, two hundred two million, one thousand, one hundred twenty-two".