1111213003120 has 80 divisors (see below), whose sum is σ = 2822994852480. Its totient is φ = 403424467200.

The previous prime is 1111213003037. The next prime is 1111213003139. The reversal of 1111213003120 is 213003121111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1111213003094 and 1111213003103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475266 + ... + 1564705.

It is an arithmetic number, because the mean of its divisors is an integer number (35287435656).

Almost surely, 2^{1111213003120} is an apocalyptic number.

1111213003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111213003120 is an abundant number, since it is smaller than the sum of its proper divisors (1711781849360).

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

1111213003120 is a wasteful number, since it uses less digits than its factorization.

1111213003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040614 (or 2040608 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1111213003120 its reverse (213003121111), we get a palindrome (1324216124231).

The spelling of 1111213003120 in words is "one trillion, one hundred eleven billion, two hundred thirteen million, three thousand, one hundred twenty".