1122022212100 has 36 divisors (see below), whose sum is σ = 2459889130804. Its totient is φ = 444181985280.

The previous prime is 1122022212089. The next prime is 1122022212107. The reversal of 1122022212100 is 12122202211.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3534064704 + 1118488147396 = 59448^2 + 1057586^2 .

It is not an unprimeable number, because it can be changed into a prime (1122022212107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57826497 + ... + 57845896.

Almost surely, 2^{1122022212100} is an apocalyptic number.

1122022212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122022212100 is an abundant number, since it is smaller than the sum of its proper divisors (1337866918704).

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

1122022212100 is a wasteful number, since it uses less digits than its factorization.

1122022212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115672504 (or 115672497 counting only the distinct ones).

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

Adding to 1122022212100 its reverse (12122202211), we get a palindrome (1134144414311).

The spelling of 1122022212100 in words is "one trillion, one hundred twenty-two billion, twenty-two million, two hundred twelve thousand, one hundred".