122100022211200 has 192 divisors, whose sum is σ = 329128551612000. Its totient is φ = 44388826419200.

The previous prime is 122100022211183. The next prime is 122100022211221. The reversal of 122100022211200 is 2112220001221.

It is a happy number.

It is a super-3 number, since 3×122100022211200³ (a number of 43 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139978011 + ... + 140847589.

Almost surely, 2^{122100022211200} is an apocalyptic number.

122100022211200 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 122100022211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164564275806000).

122100022211200 is an abundant number, since it is smaller than the sum of its proper divisors (207028529400800).

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

122100022211200 is a wasteful number, since it uses less digits than its factorization.

122100022211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873603 (or 873586 counting only the distinct ones).

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

Adding to 122100022211200 its reverse (2112220001221), we get a palindrome (124212242212421).

The spelling of 122100022211200 in words is "one hundred twenty-two trillion, one hundred billion, twenty-two million, two hundred eleven thousand, two hundred".