11221012413 has 24 divisors (see below), whose sum is σ = 17474970968. Its totient is φ = 6897301632.

The previous prime is 11221012391. The next prime is 11221012417. The reversal of 11221012413 is 31421012211.

It can be written as a sum of positive squares in 4 ways, for example, as 24621444 + 11196390969 = 4962^2 + 105813^2 .

It is not a de Polignac number, because 11221012413 - 2¹⁷ = 11220881341 is a prime.

It is a super-2 number, since 2×11221012413² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221012417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47931 + ... + 157287.

Almost surely, 2^11221012413 is an apocalyptic number.

11221012413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11221012413 is a deficient number, since it is larger than the sum of its proper divisors (6253958555).

11221012413 is a wasteful number, since it uses less digits than its factorization.

11221012413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110253 (or 110250 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11221012413 its reverse (31421012211), we get a palindrome (42642024624).

The spelling of 11221012413 in words is "eleven billion, two hundred twenty-one million, twelve thousand, four hundred thirteen".