1012212211 has 2 divisors, whose sum is σ = 1012212212. Its totient is φ = 1012212210.

The previous prime is 1012212191. The next prime is 1012212247. The reversal of 1012212211 is 1122122101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012212211 - 2⁹ = 1012211699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012212191 and 1012212200.

It is not a weakly prime, because it can be changed into another prime (1012212611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506106105 + 506106106.

It is an arithmetic number, because the mean of its divisors is an integer number (506106106).

Almost surely, 2^1012212211 is an apocalyptic number.

1012212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012212211 is an equidigital number, since it uses as much as digits as its factorization.

1012212211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1012212211 is about 31815.2826641537. The cubic root of 1012212211 is about 1004.0542776194.

Adding to 1012212211 its reverse (1122122101), we get a palindrome (2134334312).

The spelling of 1012212211 in words is "one billion, twelve million, two hundred twelve thousand, two hundred eleven".