122002100022 has 64 divisors (see below), whose sum is σ = 270426682368. Its totient is φ = 36382500000.

The previous prime is 122002100009. The next prime is 122002100119. The reversal of 122002100022 is 220001200221.

It is a junction number, because it is equal to n+sod(n) for n = 122002099980 and 122002100007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4634397 + ... + 4660647.

It is an arithmetic number, because the mean of its divisors is an integer number (4225416912).

Almost surely, 2^122002100022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122002100022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135213341184).

122002100022 is an abundant number, since it is smaller than the sum of its proper divisors (148424582346).

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

122002100022 is a wasteful number, since it uses less digits than its factorization.

122002100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27385.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 122002100022 its reverse (220001200221), we get a palindrome (342003300243).

The spelling of 122002100022 in words is "one hundred twenty-two billion, two million, one hundred thousand, twenty-two".