10001220222211 has 16 divisors (see below), whose sum is σ = 10038394080000. Its totient is φ = 9964116804096.

The previous prime is 10001220222163. The next prime is 10001220222223. The reversal of 10001220222211 is 11222202210001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10001220222211 - 2³⁵ = 9966860483843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001220222311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894526670 + ... + 1894531948.

It is an arithmetic number, because the mean of its divisors is an integer number (627399630000).

Almost surely, 2^{10001220222211} is an apocalyptic number.

10001220222211 is a deficient number, since it is larger than the sum of its proper divisors (37173857789).

10001220222211 is a wasteful number, since it uses less digits than its factorization.

10001220222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10001220222211 its reverse (11222202210001), we get a palindrome (21223422432212).

The spelling of 10001220222211 in words is "ten trillion, one billion, two hundred twenty million, two hundred twenty-two thousand, two hundred eleven".