11221010010112 has 78 divisors (see below), whose sum is σ = 26102836985298. Its totient is φ = 4809004204032.

The previous prime is 11221010010109. The next prime is 11221010010113. The reversal of 11221010010112 is 21101001012211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10482675388416 + 738334621696 = 3237696^2 + 859264^2 .

It is a super-2 number, since 2×11221010010112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221010010092 and 11221010010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221010010113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27753423 + ... + 28154830.

Almost surely, 2^{11221010010112} is an apocalyptic number.

It is an amenable number.

11221010010112 is an abundant number, since it is smaller than the sum of its proper divisors (14881826975186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221010010112 is an frugal number, since it uses more digits than its factorization.

11221010010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55908291 (or 55908262 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11221010010112 its reverse (21101001012211), we get a palindrome (32322011022323).

The spelling of 11221010010112 in words is "eleven trillion, two hundred twenty-one billion, ten million, ten thousand, one hundred twelve".