11101772 has 12 divisors (see below), whose sum is σ = 21194376. Its totient is φ = 5046240.

The previous prime is 11101763. The next prime is 11101777. The reversal of 11101772 is 27710111.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11101777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126113 + ... + 126200.

It is an arithmetic number, because the mean of its divisors is an integer number (1766198).

Almost surely, 2^11101772 is an apocalyptic number.

It is an amenable number.

11101772 is a deficient number, since it is larger than the sum of its proper divisors (10092604).

11101772 is a wasteful number, since it uses less digits than its factorization.

11101772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252328 (or 252326 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 20.

The square root of 11101772 is about 3331.9321721788. The cubic root of 11101772 is about 223.0817800827.

Adding to 11101772 its reverse (27710111), we get a palindrome (38811883).

It can be divided in two parts, 1110 and 1772, that added together give a palindrome (2882).

The spelling of 11101772 in words is "eleven million, one hundred one thousand, seven hundred seventy-two".