122122221102 has 80 divisors (see below), whose sum is σ = 315832964832. Its totient is φ = 34546564800.

The previous prime is 122122221073. The next prime is 122122221121. The reversal of 122122221102 is 201122221221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 418593 + ... + 647660.

Almost surely, 2^122122221102 is an apocalyptic number.

122122221102 is an abundant number, since it is smaller than the sum of its proper divisors (193710743730).

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

122122221102 is a wasteful number, since it uses less digits than its factorization.

122122221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066375 (or 1066366 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122122221102 its reverse (201122221221), we get a palindrome (323244442323).

The spelling of 122122221102 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred two".