1011201011 has 2 divisors, whose sum is σ = 1011201012. Its totient is φ = 1011201010.

The previous prime is 1011200989. The next prime is 1011201019. The reversal of 1011201011 is 1101021101.

It is a happy number.

It is an a-pointer prime, because the next prime (1011201019) can be obtained adding 1011201011 to its sum of digits (8).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011201011 - 2⁶ = 1011200947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011201011.

It is not a weakly prime, because it can be changed into another prime (1011201019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505600505 + 505600506.

It is an arithmetic number, because the mean of its divisors is an integer number (505600506).

Almost surely, 2^1011201011 is an apocalyptic number.

1011201011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011201011 is an equidigital number, since it uses as much as digits as its factorization.

1011201011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1011201011 is about 31799.3869594997. The cubic root of 1011201011 is about 1003.7198161441.

Adding to 1011201011 its reverse (1101021101), we get a palindrome (2112222112).

The spelling of 1011201011 in words is "one billion, eleven million, two hundred one thousand, eleven".