22202111222211 has 16 divisors (see below), whose sum is σ = 31345989423264. Its totient is φ = 13929922051584.

The previous prime is 22202111222171. The next prime is 22202111222243. The reversal of 22202111222211 is 11222211120222.

It is not a de Polignac number, because 22202111222211 - 2⁹ = 22202111221699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22202111222261) 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, 11843500 + ... + 13589433.

It is an arithmetic number, because the mean of its divisors is an integer number (1959124338954).

Almost surely, 2^{22202111222211} is an apocalyptic number.

22202111222211 is a deficient number, since it is larger than the sum of its proper divisors (9143878201053).

22202111222211 is a wasteful number, since it uses less digits than its factorization.

22202111222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25450070.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22202111222211 its reverse (11222211120222), we get a palindrome (33424322342433).

The spelling of 22202111222211 in words is "twenty-two trillion, two hundred two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred eleven".