1122212100044 has 36 divisors (see below), whose sum is σ = 2358196868160. Its totient is φ = 465433587360.

The previous prime is 1122212100029. The next prime is 1122212100067. The reversal of 1122212100044 is 4400012122211.

It is a junction number, because it is equal to n+sod(n) for n = 1122212099989 and 1122212100025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92341859 + ... + 92354010.

It is an arithmetic number, because the mean of its divisors is an integer number (65505468560).

Almost surely, 2^{1122212100044} is an apocalyptic number.

1122212100044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1122212100044 is an abundant number, since it is smaller than the sum of its proper divisors (1235984768116).

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

1122212100044 is a wasteful number, since it uses less digits than its factorization.

1122212100044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184695918 (or 184695909 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1122212100044 its reverse (4400012122211), we get a palindrome (5522224222255).

The spelling of 1122212100044 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred thousand, forty-four".