22101043 has 2 divisors, whose sum is σ = 22101044. Its totient is φ = 22101042.

The previous prime is 22101041. The next prime is 22101049. The reversal of 22101043 is 34010122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22101043 - 2¹ = 22101041 is a prime.

It is a super-2 number, since 2×22101043² = 976912203375698, which contains 22 as substring.

Together with 22101041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22101041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050521 + 11050522.

It is an arithmetic number, because the mean of its divisors is an integer number (11050522).

Almost surely, 2^22101043 is an apocalyptic number.

22101043 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101043 is an equidigital number, since it uses as much as digits as its factorization.

22101043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 22101043 is about 4701.1746404489. The cubic root of 22101043 is about 280.6322574731.

Adding to 22101043 its reverse (34010122), we get a palindrome (56111165).

The spelling of 22101043 in words is "twenty-two million, one hundred one thousand, forty-three".