11211212983 has 2 divisors, whose sum is σ = 11211212984. Its totient is φ = 11211212982.

The previous prime is 11211212977. The next prime is 11211213043. The reversal of 11211212983 is 38921211211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11211212983 - 2⁵ = 11211212951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211212933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605606491 + 5605606492.

It is an arithmetic number, because the mean of its divisors is an integer number (5605606492).

Almost surely, 2^11211212983 is an apocalyptic number.

11211212983 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211212983 is an equidigital number, since it uses as much as digits as its factorization.

11211212983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 31.

The spelling of 11211212983 in words is "eleven billion, two hundred eleven million, two hundred twelve thousand, nine hundred eighty-three".