122222101211210 has 384 divisors, whose sum is σ = 306009243961344. Its totient is φ = 34180185600000.

The previous prime is 122222101211141. The next prime is 122222101211291. The reversal of 122222101211210 is 12112101222221.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1223382260 + ... + 1223482160.

It is an arithmetic number, because the mean of its divisors is an integer number (796899072816).

Almost surely, 2^{122222101211210} is an apocalyptic number.

122222101211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122222101211210 is an abundant number, since it is smaller than the sum of its proper divisors (183787142750134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122222101211210 is a wasteful number, since it uses less digits than its factorization.

122222101211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100262 (or 100251 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122222101211210 its reverse (12112101222221), we get a palindrome (134334202433431).

The spelling of 122222101211210 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred one million, two hundred eleven thousand, two hundred ten".