1011213097 has 2 divisors, whose sum is σ = 1011213098. Its totient is φ = 1011213096.

The previous prime is 1011213061. The next prime is 1011213107. The reversal of 1011213097 is 7903121101.

1011213097 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., 732189481 + 279023616 = 27059^2 + 16704^2 .

It is an emirp because it is prime and its reverse (7903121101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011213097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011213197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505606548 + 505606549.

It is an arithmetic number, because the mean of its divisors is an integer number (505606549).

Almost surely, 2^1011213097 is an apocalyptic number.

It is an amenable number.

1011213097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011213097 is an equidigital number, since it uses as much as digits as its factorization.

1011213097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1011213097 is about 31799.5769940419. The cubic root of 1011213097 is about 1003.7238149895.

Adding to 1011213097 its reverse (7903121101), we get a palindrome (8914334198).

The spelling of 1011213097 in words is "one billion, eleven million, two hundred thirteen thousand, ninety-seven".