122221013210 has 16 divisors (see below), whose sum is σ = 220002669000. Its totient is φ = 48887328576.

The previous prime is 122221013197. The next prime is 122221013227. The reversal of 122221013210 is 12310122221.

It can be written as a sum of positive squares in 4 ways, for example, as 118689207169 + 3531806041 = 344513^2 + 59429^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 472616 + ... + 683964.

Almost surely, 2^122221013210 is an apocalyptic number.

122221013210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221013210 is a deficient number, since it is larger than the sum of its proper divisors (97781655790).

122221013210 is a wasteful number, since it uses less digits than its factorization.

122221013210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269185.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122221013210 its reverse (12310122221), we get a palindrome (134531135431).

The spelling of 122221013210 in words is "one hundred twenty-two billion, two hundred twenty-one million, thirteen thousand, two hundred ten".