22202211211211 has 16 divisors (see below), whose sum is σ = 23658858397440. Its totient is φ = 20774515027680.

The previous prime is 22202211211199. The next prime is 22202211211217. The reversal of 22202211211211 is 11211211220222.

It is a cyclic number.

It is not a de Polignac number, because 22202211211211 - 2¹⁰ = 22202211210187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22202211211217) 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, 3770501 + ... + 7656441.

It is an arithmetic number, because the mean of its divisors is an integer number (1478678649840).

Almost surely, 2^{22202211211211} is an apocalyptic number.

22202211211211 is a deficient number, since it is larger than the sum of its proper divisors (1456647186229).

22202211211211 is a wasteful number, since it uses less digits than its factorization.

22202211211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889666.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22202211211211 its reverse (11211211220222), we get a palindrome (33413422431433).

The spelling of 22202211211211 in words is "twenty-two trillion, two hundred two billion, two hundred eleven million, two hundred eleven thousand, two hundred eleven".