1112021101012 has 12 divisors (see below), whose sum is σ = 1948478634900. Its totient is φ = 555312919616.

The previous prime is 1112021100959. The next prime is 1112021101019. The reversal of 1112021101012 is 2101011202111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 800373572496 + 311647528516 = 894636^2 + 558254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1112021100983 and 1112021101001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112021101019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174404137 + ... + 174410512.

It is an arithmetic number, because the mean of its divisors is an integer number (162373219575).

Almost surely, 2^{1112021101012} is an apocalyptic number.

It is an amenable number.

1112021101012 is a deficient number, since it is larger than the sum of its proper divisors (836457533888).

1112021101012 is a wasteful number, since it uses less digits than its factorization.

1112021101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348815450 (or 348815448 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112021101012 its reverse (2101011202111), we get a palindrome (3213032303123).

The spelling of 1112021101012 in words is "one trillion, one hundred twelve billion, twenty-one million, one hundred one thousand, twelve".