11221211514 has 32 divisors (see below), whose sum is σ = 22536969984. Its totient is φ = 3724680960.

The previous prime is 11221211473. The next prime is 11221211527. The reversal of 11221211514 is 41511212211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443462 + ... + 1451214.

It is an arithmetic number, because the mean of its divisors is an integer number (704280312).

Almost surely, 2^11221211514 is an apocalyptic number.

11221211514 is an abundant number, since it is smaller than the sum of its proper divisors (11315758470).

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

11221211514 is a wasteful number, since it uses less digits than its factorization.

11221211514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8742.

The product of its digits is 160, while the sum is 21.

Adding to 11221211514 its reverse (41511212211), we get a palindrome (52732423725).

The spelling of 11221211514 in words is "eleven billion, two hundred twenty-one million, two hundred eleven thousand, five hundred fourteen".