1222202220011 has 8 divisors (see below), whose sum is σ = 1276054369440. Its totient is φ = 1168409480832.

The previous prime is 1222202220007. The next prime is 1222202220059. The reversal of 1222202220011 is 1100222022221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222202220011 - 2² = 1222202220007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222207220011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14810510 + ... + 14892803.

It is an arithmetic number, because the mean of its divisors is an integer number (159506796180).

Almost surely, 2^{1222202220011} is an apocalyptic number.

1222202220011 is a deficient number, since it is larger than the sum of its proper divisors (53852149429).

1222202220011 is a wasteful number, since it uses less digits than its factorization.

1222202220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29705125.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222202220011 its reverse (1100222022221), we get a palindrome (2322424242232).

The spelling of 1222202220011 in words is "one trillion, two hundred twenty-two billion, two hundred two million, two hundred twenty thousand, eleven".