11012111121002 has 32 divisors (see below), whose sum is σ = 17278048512144. Its totient is φ = 5259502540800.

The previous prime is 11012111120971. The next prime is 11012111121007. The reversal of 11012111121002 is 20012111121011.

It can be written as a sum of positive squares in 8 ways, for example, as 5419448976841 + 5592662144161 = 2327971^2 + 2364881^2 .

It is not an unprimeable number, because it can be changed into a prime (11012111121007) 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 15 ways as a sum of consecutive naturals, for example, 5893949 + ... + 7534112.

Almost surely, 2^{11012111121002} is an apocalyptic number.

11012111121002 is a deficient number, since it is larger than the sum of its proper divisors (6265937391142).

11012111121002 is a wasteful number, since it uses less digits than its factorization.

11012111121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13428314.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11012111121002 its reverse (20012111121011), we get a palindrome (31024222242013).

Subtracting 11012111121002 from its reverse (20012111121011), we obtain a palindrome (9000000000009).

The spelling of 11012111121002 in words is "eleven trillion, twelve billion, one hundred eleven million, one hundred twenty-one thousand, two".