11121201211112 has 32 divisors (see below), whose sum is σ = 22240014910920. Its totient is φ = 5195305666560.

The previous prime is 11121201211103. The next prime is 11121201211123. The reversal of 11121201211112 is 21111210212111.

It can be written as a sum of positive squares in 4 ways, for example, as 11078606030116 + 42595180996 = 3328454^2 + 206386^2 .

It is a super-2 number, since 2×11121201211112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298424939 + ... + 298462202.

Almost surely, 2^{11121201211112} is an apocalyptic number.

It is an amenable number.

11121201211112 is a deficient number, since it is larger than the sum of its proper divisors (11118813699808).

11121201211112 is a wasteful number, since it uses less digits than its factorization.

11121201211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596887301 (or 596887297 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11121201211112 its reverse (21111210212111), we get a palindrome (32232411423223).

Subtracting 11121201211112 from its reverse (21111210212111), we obtain a palindrome (9990009000999).

It can be divided in two parts, 1112120 and 1211112, that added together give a palindrome (2323232).

The spelling of 11121201211112 in words is "eleven trillion, one hundred twenty-one billion, two hundred one million, two hundred eleven thousand, one hundred twelve".