1121001113212 has 24 divisors (see below), whose sum is σ = 1995141884400. Its totient is φ = 550961907456.

The previous prime is 1121001113207. The next prime is 1121001113237. The reversal of 1121001113212 is 2123111001211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3364158 + ... + 3682330.

It is an arithmetic number, because the mean of its divisors is an integer number (83130911850).

Almost surely, 2^{1121001113212} is an apocalyptic number.

It is an amenable number.

1121001113212 is a deficient number, since it is larger than the sum of its proper divisors (874140771188).

1121001113212 is a wasteful number, since it uses less digits than its factorization.

1121001113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333165 (or 333163 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1121001113212 its reverse (2123111001211), we get a palindrome (3244112114423).

The spelling of 1121001113212 in words is "one trillion, one hundred twenty-one billion, one million, one hundred thirteen thousand, two hundred twelve".