1222020002211 has 4 divisors (see below), whose sum is σ = 1629360002952. Its totient is φ = 814680001472.

The previous prime is 1222020002191. The next prime is 1222020002221. The reversal of 1222020002211 is 1122000202221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222020002211 - 2²² = 1222015807907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222020002221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203670000366 + ... + 203670000371.

It is an arithmetic number, because the mean of its divisors is an integer number (407340000738).

Almost surely, 2^{1222020002211} is an apocalyptic number.

1222020002211 is a deficient number, since it is larger than the sum of its proper divisors (407340000741).

1222020002211 is an equidigital number, since it uses as much as digits as its factorization.

1222020002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407340000740.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1222020002211 its reverse (1122000202221), we get a palindrome (2344020204432).

The spelling of 1222020002211 in words is "one trillion, two hundred twenty-two billion, twenty million, two thousand, two hundred eleven".