1220010001211 has 2 divisors, whose sum is σ = 1220010001212. Its totient is φ = 1220010001210.

The previous prime is 1220010001201. The next prime is 1220010001219. The reversal of 1220010001211 is 1121000100221.

It is a strong prime.

It is an emirp because it is prime and its reverse (1121000100221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220010001211 - 2²² = 1220005806907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220010001192 and 1220010001201.

It is not a weakly prime, because it can be changed into another prime (1220010001219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610005000605 + 610005000606.

It is an arithmetic number, because the mean of its divisors is an integer number (610005000606).

Almost surely, 2^{1220010001211} is an apocalyptic number.

1220010001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220010001211 is an equidigital number, since it uses as much as digits as its factorization.

1220010001211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1220010001211 its reverse (1121000100221), we get a palindrome (2341010101432).

The spelling of 1220010001211 in words is "one trillion, two hundred twenty billion, ten million, one thousand, two hundred eleven".