1101213011 has 2 divisors, whose sum is σ = 1101213012. Its totient is φ = 1101213010.

The previous prime is 1101213007. The next prime is 1101213017. The reversal of 1101213011 is 1103121011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101213011 - 2² = 1101213007 is a prime.

It is a super-2 number, since 2×1101213011² = 2425340191191372242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101212983 and 1101213001.

It is not a weakly prime, because it can be changed into another prime (1101213017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550606505 + 550606506.

It is an arithmetic number, because the mean of its divisors is an integer number (550606506).

Almost surely, 2^1101213011 is an apocalyptic number.

1101213011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101213011 is an equidigital number, since it uses as much as digits as its factorization.

1101213011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1101213011 is about 33184.5296938197. The cubic root of 1101213011 is about 1032.6594206523.

Adding to 1101213011 its reverse (1103121011), we get a palindrome (2204334022).

It can be divided in two parts, 110 and 1213011, that added together give a palindrome (1213121).

The spelling of 1101213011 in words is "one billion, one hundred one million, two hundred thirteen thousand, eleven".