11212020100113 has 48 divisors (see below), whose sum is σ = 17834128171200. Its totient is φ = 6243932749824.

The previous prime is 11212020100111. The next prime is 11212020100123. The reversal of 11212020100113 is 31100102021211.

It is not a de Polignac number, because 11212020100113 - 2¹ = 11212020100111 is a prime.

It is a super-2 number, since 2×11212020100113² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212020100092 and 11212020100101.

It is not an unprimeable number, because it can be changed into a prime (11212020100111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 862881 + ... + 4813377.

It is an arithmetic number, because the mean of its divisors is an integer number (371544336900).

Almost surely, 2^{11212020100113} is an apocalyptic number.

It is an amenable number.

11212020100113 is a deficient number, since it is larger than the sum of its proper divisors (6622108071087).

11212020100113 is a wasteful number, since it uses less digits than its factorization.

11212020100113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951006 (or 3950999 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11212020100113 its reverse (31100102021211), we get a palindrome (42312122121324).

The spelling of 11212020100113 in words is "eleven trillion, two hundred twelve billion, twenty million, one hundred thousand, one hundred thirteen".