122221221222102 has 32 divisors (see below), whose sum is σ = 251057955557472. Its totient is φ = 39637900157184.

The previous prime is 122221221222041. The next prime is 122221221222209. The reversal of 122221221222102 is 201222122122221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3582553 + ... + 16039860.

It is an arithmetic number, because the mean of its divisors is an integer number (7845561111171).

Almost surely, 2^{122221221222102} is an apocalyptic number.

122221221222102 is an abundant number, since it is smaller than the sum of its proper divisors (128836734335370).

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

122221221222102 is a wasteful number, since it uses less digits than its factorization.

122221221222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19650512.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 122221221222102 its reverse (201222122122221), we get a palindrome (323443343344323).

The spelling of 122221221222102 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred two".