122221020202 has 16 divisors (see below), whose sum is σ = 192762383400. Its totient is φ = 58035983040.

The previous prime is 122221020199. The next prime is 122221020239. The reversal of 122221020202 is 202020122221.

It can be written as a sum of positive squares in 4 ways, for example, as 58014021321 + 64206998881 = 240861^2 + 253391^2 .

It is a super-3 number, since 3×122221020202³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17269077 + ... + 17276152.

Almost surely, 2^122221020202 is an apocalyptic number.

122221020202 is a deficient number, since it is larger than the sum of its proper divisors (70541363198).

122221020202 is a wasteful number, since it uses less digits than its factorization.

122221020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34545321.

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

Adding to 122221020202 its reverse (202020122221), we get a palindrome (324241142423).

The spelling of 122221020202 in words is "one hundred twenty-two billion, two hundred twenty-one million, twenty thousand, two hundred two".