101223011 has 2 divisors, whose sum is σ = 101223012. Its totient is φ = 101223010.

The previous prime is 101222999. The next prime is 101223019. The reversal of 101223011 is 110322101.

It is a strong prime.

It is an emirp because it is prime and its reverse (110322101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101223011 is a prime.

It is a super-2 number, since 2×101223011² = 20492195911812242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 101222983 and 101223001.

It is not a weakly prime, because it can be changed into another prime (101223019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611505 + 50611506.

It is an arithmetic number, because the mean of its divisors is an integer number (50611506).

Almost surely, 2^101223011 is an apocalyptic number.

101223011 is a deficient number, since it is larger than the sum of its proper divisors (1).

101223011 is an equidigital number, since it uses as much as digits as its factorization.

101223011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101223011 is about 10060.9647151752. The cubic root of 101223011 is about 466.0434593249.

Adding to 101223011 its reverse (110322101), we get a palindrome (211545112).

The spelling of 101223011 in words is "one hundred one million, two hundred twenty-three thousand, eleven".