11121201110212 has 6 divisors (see below), whose sum is σ = 19462101942878. Its totient is φ = 5560600555104.

The previous prime is 11121201110171. The next prime is 11121201110221. The reversal of 11121201110212 is 21201110212111.

It can be written as a sum of positive squares in only one way, i.e., 10159926751296 + 961274358916 = 3187464^2 + 980446^2 .

It is a super-2 number, since 2×11121201110212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390150138773 + ... + 1390150138780.

Almost surely, 2^{11121201110212} is an apocalyptic number.

It is an amenable number.

11121201110212 is a deficient number, since it is larger than the sum of its proper divisors (8340900832666).

11121201110212 is a wasteful number, since it uses less digits than its factorization.

11121201110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780300277557 (or 2780300277555 counting only the distinct ones).

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

Adding to 11121201110212 its reverse (21201110212111), we get a palindrome (32322311322323).

It can be divided in two parts, 111 and 21201110212, that multiplied together give a palindrome (2353323233532).

The spelling of 11121201110212 in words is "eleven trillion, one hundred twenty-one billion, two hundred one million, one hundred ten thousand, two hundred twelve".