1101213851 has 2 divisors, whose sum is σ = 1101213852. Its totient is φ = 1101213850.

The previous prime is 1101213829. The next prime is 1101213859. The reversal of 1101213851 is 1583121011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101213851 - 2¹⁸ = 1100951707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101213859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550606925 + 550606926.

It is an arithmetic number, because the mean of its divisors is an integer number (550606926).

Almost surely, 2^1101213851 is an apocalyptic number.

1101213851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101213851 is an equidigital number, since it uses as much as digits as its factorization.

1101213851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 1101213851 is about 33184.5423503173. The cubic root of 1101213851 is about 1032.6596832214.

Adding to 1101213851 its reverse (1583121011), we get a palindrome (2684334862).

The spelling of 1101213851 in words is "one billion, one hundred one million, two hundred thirteen thousand, eight hundred fifty-one".