11120221252 has 12 divisors (see below), whose sum is σ = 22240442560. Its totient is φ = 4765809096.

The previous prime is 11120221223. The next prime is 11120221253. The reversal of 11120221252 is 25212202111.

It is a happy number.

11120221252 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11120221253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198575352 + ... + 198575407.

Almost surely, 2^11120221252 is an apocalyptic number.

It is an amenable number.

11120221252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11120221252 is a wasteful number, since it uses less digits than its factorization.

11120221252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397150770 (or 397150768 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 11120221252 its reverse (25212202111), we get a palindrome (36332423363).

The spelling of 11120221252 in words is "eleven billion, one hundred twenty million, two hundred twenty-one thousand, two hundred fifty-two".