122221222010 has 8 divisors (see below), whose sum is σ = 219998199636. Its totient is φ = 48888488800.

The previous prime is 122221222007. The next prime is 122221222021. The reversal of 122221222010 is 10222122221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118912556569 + 3308665441 = 344837^2 + 57521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122221222010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6111061091 + ... + 6111061110.

Almost surely, 2^122221222010 is an apocalyptic number.

122221222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221222010 is a deficient number, since it is larger than the sum of its proper divisors (97776977626).

122221222010 is a wasteful number, since it uses less digits than its factorization.

122221222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222122208.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122221222010 its reverse (10222122221), we get a palindrome (132443344231).

The spelling of 122221222010 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, ten".