122222021102210 has 8 divisors (see below), whose sum is σ = 219999637983996. Its totient is φ = 48888808440880.

The previous prime is 122222021102189. The next prime is 122222021102219. The reversal of 122222021102210 is 12201120222221.

It can be written as a sum of positive squares in 2 ways, for example, as 122221227947641 + 793154569 = 11055371^2 + 28163^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122222021102219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6111101055101 + ... + 6111101055120.

Almost surely, 2^{122222021102210} is an apocalyptic number.

122222021102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122222021102210 is a deficient number, since it is larger than the sum of its proper divisors (97777616881786).

122222021102210 is a wasteful number, since it uses less digits than its factorization.

122222021102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222202110228.

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

Adding to 122222021102210 its reverse (12201120222221), we get a palindrome (134423141324431).

The spelling of 122222021102210 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, twenty-one million, one hundred two thousand, two hundred ten".