1122202122100 has 288 divisors, whose sum is σ = 2614411416960. Its totient is φ = 417419520000.

The previous prime is 1122202122037. The next prime is 1122202122101. The reversal of 1122202122100 is 12212022211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122202122101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1911758007 + ... + 1911758593.

It is an arithmetic number, because the mean of its divisors is an integer number (9077817420).

Almost surely, 2^{1122202122100} is an apocalyptic number.

1122202122100 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 1122202122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307205708480).

1122202122100 is an abundant number, since it is smaller than the sum of its proper divisors (1492209294860).

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

1122202122100 is a wasteful number, since it uses less digits than its factorization.

1122202122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 892 counting only the distinct ones).

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

Adding to 1122202122100 its reverse (12212022211), we get a palindrome (1134414144311).

The spelling of 1122202122100 in words is "one trillion, one hundred twenty-two billion, two hundred two million, one hundred twenty-two thousand, one hundred".