11121012010012 has 12 divisors (see below), whose sum is σ = 19735880468976. Its totient is φ = 5482189018880.

The previous prime is 11121012009959. The next prime is 11121012010013. The reversal of 11121012010012 is 21001021012111.

It is a happy number.

It is a super-2 number, since 2×11121012010012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11121012009974 and 11121012010001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121012010013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19579246213 + ... + 19579246780.

It is an arithmetic number, because the mean of its divisors is an integer number (1644656705748).

Almost surely, 2^{11121012010012} is an apocalyptic number.

It is an amenable number.

11121012010012 is a deficient number, since it is larger than the sum of its proper divisors (8614868458964).

11121012010012 is a wasteful number, since it uses less digits than its factorization.

11121012010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39158493068 (or 39158493066 counting only the distinct ones).

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

Adding to 11121012010012 its reverse (21001021012111), we get a palindrome (32122033022123).

The spelling of 11121012010012 in words is "eleven trillion, one hundred twenty-one billion, twelve million, ten thousand, twelve".