202221000122 has 4 divisors (see below), whose sum is σ = 303331500186. Its totient is φ = 101110500060.

The previous prime is 202221000073. The next prime is 202221000181. The reversal of 202221000122 is 221000122202.

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., 151771797241 + 50449202881 = 389579^2 + 224609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202221000097 and 202221000106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555250029 + ... + 50555250032.

Almost surely, 2^202221000122 is an apocalyptic number.

202221000122 is a deficient number, since it is larger than the sum of its proper divisors (101110500064).

202221000122 is a wasteful number, since it uses less digits than its factorization.

202221000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101110500063.

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

Adding to 202221000122 its reverse (221000122202), we get a palindrome (423221122324).

It can be divided in two parts, 202 and 221000122, that multiplied together give a palindrome (44642024644).

The spelling of 202221000122 in words is "two hundred two billion, two hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.