1220010012211 has 2 divisors, whose sum is σ = 1220010012212. Its totient is φ = 1220010012210.

The previous prime is 1220010012203. The next prime is 1220010012289. The reversal of 1220010012211 is 1122100100221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220010012211 - 2³ = 1220010012203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220010012191 and 1220010012200.

It is not a weakly prime, because it can be changed into another prime (1220010012311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610005006105 + 610005006106.

It is an arithmetic number, because the mean of its divisors is an integer number (610005006106).

Almost surely, 2^{1220010012211} is an apocalyptic number.

1220010012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220010012211 is an equidigital number, since it uses as much as digits as its factorization.

1220010012211 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1220010012211 its reverse (1122100100221), we get a palindrome (2342110112432).

The spelling of 1220010012211 in words is "one trillion, two hundred twenty billion, ten million, twelve thousand, two hundred eleven".