1122121100124 has 36 divisors (see below), whose sum is σ = 2837681547064. Its totient is φ = 373880968992.

The previous prime is 1122121100119. The next prime is 1122121100143. The reversal of 1122121100124 is 4210011212211.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1122121100097 and 1122121100106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6555907 + ... + 6724890.

Almost surely, 2^{1122121100124} is an apocalyptic number.

It is an amenable number.

1122121100124 is an abundant number, since it is smaller than the sum of its proper divisors (1715560446940).

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

1122121100124 is a wasteful number, since it uses less digits than its factorization.

1122121100124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283154 (or 13283149 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1122121100124 its reverse (4210011212211), we get a palindrome (5332132312335).

The spelling of 1122121100124 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred thousand, one hundred twenty-four".