200202120122 has 4 divisors (see below), whose sum is σ = 300303180186. Its totient is φ = 100101060060.

The previous prime is 200202120121. The next prime is 200202120133. The reversal of 200202120122 is 221021202002.

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., 188652104281 + 11550015841 = 434341^2 + 107471^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200202120097 and 200202120106.

It is not an unprimeable number, because it can be changed into a prime (200202120121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050530029 + ... + 50050530032.

Almost surely, 2^200202120122 is an apocalyptic number.

200202120122 is a deficient number, since it is larger than the sum of its proper divisors (100101060064).

200202120122 is a wasteful number, since it uses less digits than its factorization.

200202120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100101060063.

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

Adding to 200202120122 its reverse (221021202002), we get a palindrome (421223322124).

The spelling of 200202120122 in words is "two hundred billion, two hundred two million, one hundred twenty thousand, one hundred twenty-two".