1011211013 has 2 divisors, whose sum is σ = 1011211014. Its totient is φ = 1011211012.

The previous prime is 1011210997. The next prime is 1011211021. The reversal of 1011211013 is 3101121101.

It is a happy number.

1011211013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 579942724 + 431268289 = 24082^2 + 20767^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011211013 - 2⁴ = 1011210997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011210985 and 1011211003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011211913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505605506 + 505605507.

It is an arithmetic number, because the mean of its divisors is an integer number (505605507).

Almost surely, 2^1011211013 is an apocalyptic number.

It is an amenable number.

1011211013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011211013 is an equidigital number, since it uses as much as digits as its factorization.

1011211013 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1011211013 is about 31799.5442262936. The cubic root of 1011211013 is about 1003.7231254672.

Adding to 1011211013 its reverse (3101121101), we get a palindrome (4112332114).

It can be divided in two parts, 101121101 and 3, that multiplied together give a palindrome (303363303).

The spelling of 1011211013 in words is "one billion, eleven million, two hundred eleven thousand, thirteen".