22120212001211 has 2 divisors, whose sum is σ = 22120212001212. Its totient is φ = 22120212001210.

The previous prime is 22120212001207. The next prime is 22120212001361. The reversal of 22120212001211 is 11210021202122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22120212001211 - 2² = 22120212001207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22120212001211.

It is not a weakly prime, because it can be changed into another prime (22120212001201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060106000605 + 11060106000606.

It is an arithmetic number, because the mean of its divisors is an integer number (11060106000606).

Almost surely, 2^{22120212001211} is an apocalyptic number.

22120212001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120212001211 is an equidigital number, since it uses as much as digits as its factorization.

22120212001211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22120212001211 its reverse (11210021202122), we get a palindrome (33330233203333).

The spelling of 22120212001211 in words is "twenty-two trillion, one hundred twenty billion, two hundred twelve million, one thousand, two hundred eleven".