11211011120212 has 6 divisors (see below), whose sum is σ = 19619269460378. Its totient is φ = 5605505560104.

The previous prime is 11211011120173. The next prime is 11211011120219. The reversal of 11211011120212 is 21202111011211.

It can be written as a sum of positive squares in only one way, i.e., 6884294954436 + 4326716165776 = 2623794^2 + 2080076^2 .

It is a super-2 number, since 2×11211011120212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211011120219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401376390023 + ... + 1401376390030.

Almost surely, 2^{11211011120212} is an apocalyptic number.

It is an amenable number.

11211011120212 is a deficient number, since it is larger than the sum of its proper divisors (8408258340166).

11211011120212 is a wasteful number, since it uses less digits than its factorization.

11211011120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802752780057 (or 2802752780055 counting only the distinct ones).

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

Adding to 11211011120212 its reverse (21202111011211), we get a palindrome (32413122131423).

The spelling of 11211011120212 in words is "eleven trillion, two hundred eleven billion, eleven million, one hundred twenty thousand, two hundred twelve".