212220303011 has 2 divisors, whose sum is σ = 212220303012. Its totient is φ = 212220303010.

The previous prime is 212220302993. The next prime is 212220303023. The reversal of 212220303011 is 110303022212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212220303011 - 2⁶ = 212220302947 is a prime.

It is a super-2 number, since 2×212220303011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212220302011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110151505 + 106110151506.

It is an arithmetic number, because the mean of its divisors is an integer number (106110151506).

Almost surely, 2^212220303011 is an apocalyptic number.

212220303011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212220303011 is an equidigital number, since it uses as much as digits as its factorization.

212220303011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212220303011 its reverse (110303022212), we get a palindrome (322523325223).

The spelling of 212220303011 in words is "two hundred twelve billion, two hundred twenty million, three hundred three thousand, eleven".