122221012010 has 32 divisors (see below), whose sum is σ = 221335876944. Its totient is φ = 48591360000.

The previous prime is 122221012009. The next prime is 122221012073. The reversal of 122221012010 is 10210122221.

It can be written as a sum of positive squares in 8 ways, for example, as 12730834561 + 109490177449 = 112831^2 + 330893^2 .

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 15 ways as a sum of consecutive naturals, for example, 3423050 + ... + 3458570.

Almost surely, 2^122221012010 is an apocalyptic number.

122221012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221012010 is a deficient number, since it is larger than the sum of its proper divisors (99114864934).

122221012010 is a wasteful number, since it uses less digits than its factorization.

122221012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37610.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122221012010 its reverse (10210122221), we get a palindrome (132431134231).

The spelling of 122221012010 in words is "one hundred twenty-two billion, two hundred twenty-one million, twelve thousand, ten".