1112020121213 has 16 divisors (see below), whose sum is σ = 1157464878336. Its totient is φ = 1067495732160.

The previous prime is 1112020121197. The next prime is 1112020121239. The reversal of 1112020121213 is 3121210202111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1112020121213 - 2⁴ = 1112020121197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112020121191 and 1112020121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112020121813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8210423 + ... + 8344763.

It is an arithmetic number, because the mean of its divisors is an integer number (72341554896).

Almost surely, 2^{1112020121213} is an apocalyptic number.

It is an amenable number.

1112020121213 is a deficient number, since it is larger than the sum of its proper divisors (45444757123).

1112020121213 is a wasteful number, since it uses less digits than its factorization.

1112020121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137764.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1112020121213 its reverse (3121210202111), we get a palindrome (4233230323324).

The spelling of 1112020121213 in words is "one trillion, one hundred twelve billion, twenty million, one hundred twenty-one thousand, two hundred thirteen".