122221120220210 has 32 divisors (see below), whose sum is σ = 240211547652672. Its totient is φ = 44404467497280.

The previous prime is 122221120220197. The next prime is 122221120220239. The reversal of 122221120220210 is 12022021122221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494578649 + ... + 494825708.

It is an arithmetic number, because the mean of its divisors is an integer number (7506610864146).

Almost surely, 2^{122221120220210} is an apocalyptic number.

122221120220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221120220210 is a deficient number, since it is larger than the sum of its proper divisors (117990427432462).

122221120220210 is a wasteful number, since it uses less digits than its factorization.

122221120220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989405498.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122221120220210 its reverse (12022021122221), we get a palindrome (134243141342431).

The spelling of 122221120220210 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twenty thousand, two hundred ten".