122002222111000 has 256 divisors, whose sum is σ = 356281189355520. Its totient is φ = 37989103680000.

The previous prime is 122002222110983. The next prime is 122002222111013. The reversal of 122002222111000 is 111222200221.

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 63 ways as a sum of consecutive naturals, for example, 77218945 + ... + 78783055.

It is an arithmetic number, because the mean of its divisors is an integer number (1391723395920).

Almost surely, 2^{122002222111000} is an apocalyptic number.

122002222111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122002222111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178140594677760).

122002222111000 is an abundant number, since it is smaller than the sum of its proper divisors (234278967244520).

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

122002222111000 is a wasteful number, since it uses less digits than its factorization.

122002222111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565163 (or 1565149 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122002222111000 its reverse (111222200221), we get a palindrome (122113444311221).

The spelling of 122002222111000 in words is "one hundred twenty-two trillion, two billion, two hundred twenty-two million, one hundred eleven thousand".