220011212001211 has 2 divisors, whose sum is σ = 220011212001212. Its totient is φ = 220011212001210.

The previous prime is 220011212001197. The next prime is 220011212001227. The reversal of 220011212001211 is 112100212110022.

220011212001211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (220011212001227) can be obtained adding 220011212001211 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220011212001211 - 2⁷ = 220011212001083 is a prime.

It is a super-2 number, since 2×220011212001211² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220011212001311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005606000605 + 110005606000606.

It is an arithmetic number, because the mean of its divisors is an integer number (110005606000606).

Almost surely, 2^{220011212001211} is an apocalyptic number.

220011212001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011212001211 is an equidigital number, since it uses as much as digits as its factorization.

220011212001211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220011212001211 its reverse (112100212110022), we get a palindrome (332111424111233).

The spelling of 220011212001211 in words is "two hundred twenty trillion, eleven billion, two hundred twelve million, one thousand, two hundred eleven".