2211213929 has 2 divisors, whose sum is σ = 2211213930. Its totient is φ = 2211213928.

The previous prime is 2211213913. The next prime is 2211213959. The reversal of 2211213929 is 9293121122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1140615529 + 1070598400 = 33773^2 + 32720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211213929 - 2⁴ = 2211213913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211213895 and 2211213904.

It is not a weakly prime, because it can be changed into another prime (2211213959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105606964 + 1105606965.

It is an arithmetic number, because the mean of its divisors is an integer number (1105606965).

Almost surely, 2^2211213929 is an apocalyptic number.

It is an amenable number.

2211213929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211213929 is an equidigital number, since it uses as much as digits as its factorization.

2211213929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 2211213929 is about 47023.5465378782. The cubic root of 2211213929 is about 1302.7975119176.

The spelling of 2211213929 in words is "two billion, two hundred eleven million, two hundred thirteen thousand, nine hundred twenty-nine".