122122212112210 has 128 divisors (see below), whose sum is σ = 236277030274560. Its totient is φ = 45358820505600.

The previous prime is 122122212112207. The next prime is 122122212112211. The reversal of 122122212112210 is 12211212221221.

It is a super-2 number, since 2×122122212112210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122122212112211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 673675944 + ... + 673857196.

It is an arithmetic number, because the mean of its divisors is an integer number (1845914299020).

Almost surely, 2^{122122212112210} is an apocalyptic number.

122122212112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122122212112210 is a deficient number, since it is larger than the sum of its proper divisors (114154818162350).

122122212112210 is a wasteful number, since it uses less digits than its factorization.

122122212112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182164.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122122212112210 its reverse (12211212221221), we get a palindrome (134333424333431).

The spelling of 122122212112210 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twelve thousand, two hundred ten".