221010120202211 has 2 divisors, whose sum is σ = 221010120202212. Its totient is φ = 221010120202210.

The previous prime is 221010120202141. The next prime is 221010120202243. The reversal of 221010120202211 is 112202021010122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221010120202211 - 2²² = 221010116007907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221010120202211.

It is not a weakly prime, because it can be changed into another prime (221010120202271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110505060101105 + 110505060101106.

It is an arithmetic number, because the mean of its divisors is an integer number (110505060101106).

Almost surely, 2^{221010120202211} is an apocalyptic number.

221010120202211 is a deficient number, since it is larger than the sum of its proper divisors (1).

221010120202211 is an equidigital number, since it uses as much as digits as its factorization.

221010120202211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221010120202211 its reverse (112202021010122), we get a palindrome (333212141212333).

The spelling of 221010120202211 in words is "two hundred twenty-one trillion, ten billion, one hundred twenty million, two hundred two thousand, two hundred eleven".