1122001001100 has 108 divisors (see below), whose sum is σ = 4019256942064. Its totient is φ = 256457370240.

The previous prime is 1122001001027. The next prime is 1122001001119. The reversal of 1122001001100 is 11001002211.

It is a happy number.

It is a super-4 number, since 4×1122001001100⁴ (a number of 49 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 89041399 + ... + 89053998.

Almost surely, 2^{1122001001100} is an apocalyptic number.

1122001001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122001001100 is an abundant number, since it is smaller than the sum of its proper divisors (2897255940964).

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

1122001001100 is a wasteful number, since it uses less digits than its factorization.

1122001001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178095424 (or 178095414 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1122001001100 its reverse (11001002211), we get a palindrome (1133002003311).

The spelling of 1122001001100 in words is "one trillion, one hundred twenty-two billion, one million, one thousand, one hundred".