11142201 has 16 divisors (see below), whose sum is σ = 17394048. Its totient is φ = 6211200.

The previous prime is 11142181. The next prime is 11142211. The reversal of 11142201 is 10224111.

It is a happy number.

It is not a de Polignac number, because 11142201 - 2¹³ = 11134009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11142211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5610 + ... + 7331.

It is an arithmetic number, because the mean of its divisors is an integer number (1087128).

Almost surely, 2^11142201 is an apocalyptic number.

It is an amenable number.

11142201 is a deficient number, since it is larger than the sum of its proper divisors (6251847).

11142201 is a wasteful number, since it uses less digits than its factorization.

11142201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12992.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11142201 is about 3337.9935590112. The cubic root of 11142201 is about 223.3522488372.

Adding to 11142201 its reverse (10224111), we get a palindrome (21366312).

The spelling of 11142201 in words is "eleven million, one hundred forty-two thousand, two hundred one".