220200120122 has 4 divisors (see below), whose sum is σ = 330300180186. Its totient is φ = 110100060060.

The previous prime is 220200120121. The next prime is 220200120169. The reversal of 220200120122 is 221021002022.

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., 199550717521 + 20649402601 = 446711^2 + 143699^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220200120097 and 220200120106.

It is not an unprimeable number, because it can be changed into a prime (220200120121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050030029 + ... + 55050030032.

Almost surely, 2^220200120122 is an apocalyptic number.

220200120122 is a deficient number, since it is larger than the sum of its proper divisors (110100060064).

220200120122 is a wasteful number, since it uses less digits than its factorization.

220200120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110100060063.

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

Adding to 220200120122 its reverse (221021002022), we get a palindrome (441221122144).

The spelling of 220200120122 in words is "two hundred twenty billion, two hundred million, one hundred twenty thousand, one hundred twenty-two".