11121011012212 has 6 divisors (see below), whose sum is σ = 19461769271378. Its totient is φ = 5560505506104.

The previous prime is 11121011012173. The next prime is 11121011012219. The reversal of 11121011012212 is 21221011012111.

It can be written as a sum of positive squares in only one way, i.e., 7482172446736 + 3638838565476 = 2735356^2 + 1907574^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121011012219) 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 as a sum of consecutive naturals, namely, 1390126376523 + ... + 1390126376530.

Almost surely, 2^{11121011012212} is an apocalyptic number.

It is an amenable number.

11121011012212 is a deficient number, since it is larger than the sum of its proper divisors (8340758259166).

11121011012212 is a wasteful number, since it uses less digits than its factorization.

11121011012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780252753057 (or 2780252753055 counting only the distinct ones).

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

Adding to 11121011012212 its reverse (21221011012111), we get a palindrome (32342022024323).

The spelling of 11121011012212 in words is "eleven trillion, one hundred twenty-one billion, eleven million, twelve thousand, two hundred twelve".