122221221022 has 16 divisors (see below), whose sum is σ = 186813073440. Its totient is φ = 59950470112.

The previous prime is 122221221019. The next prime is 122221221029. The reversal of 122221221022 is 220122122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221221029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893223 + ... + 1020925.

It is an arithmetic number, because the mean of its divisors is an integer number (11675817090).

Almost surely, 2^122221221022 is an apocalyptic number.

122221221022 is a deficient number, since it is larger than the sum of its proper divisors (64591852418).

122221221022 is a wasteful number, since it uses less digits than its factorization.

122221221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136787.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122221221022 its reverse (220122122221), we get a palindrome (342343343243).

The spelling of 122221221022 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-one thousand, twenty-two".