2231101 has 4 divisors (see below), whose sum is σ = 2303104. Its totient is φ = 2159100.

The previous prime is 2231093. The next prime is 2231107. The reversal of 2231101 is 1011322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2231101 - 2³ = 2231093 is a prime.

It is a super-3 number, since 3×2231101³ = 33318001798977969903, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231107) 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, 35955 + ... + 36016.

It is an arithmetic number, because the mean of its divisors is an integer number (575776).

2^2231101 is an apocalyptic number.

It is an amenable number.

2231101 is a deficient number, since it is larger than the sum of its proper divisors (72003).

2231101 is an equidigital number, since it uses as much as digits as its factorization.

2231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72002.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2231101 is about 1493.6870488827. The cubic root of 2231101 is about 130.6691532858.

Adding to 2231101 its reverse (1011322), we get a palindrome (3242423).

It can be divided in two parts, 2231 and 101, that added together give a palindrome (2332).

The spelling of 2231101 in words is "two million, two hundred thirty-one thousand, one hundred one".