122111422000 has 80 divisors (see below), whose sum is σ = 295405280352. Its totient is φ = 48821433600.

The previous prime is 122111421947. The next prime is 122111422007. The reversal of 122111422000 is 224111221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×122111422000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (122111422007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4572687 + ... + 4599313.

Almost surely, 2^122111422000 is an apocalyptic number.

122111422000 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 122111422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147702640176).

122111422000 is an abundant number, since it is smaller than the sum of its proper divisors (173293858352).

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

122111422000 is a wasteful number, since it uses less digits than its factorization.

122111422000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28943 (or 28927 counting only the distinct ones).

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

Adding to 122111422000 its reverse (224111221), we get a palindrome (122335533221).

The spelling of 122111422000 in words is "one hundred twenty-two billion, one hundred eleven million, four hundred twenty-two thousand".