22221032121211 has 32 divisors (see below), whose sum is σ = 29841209819136. Its totient is φ = 16027993476000.

The previous prime is 22221032121193. The next prime is 22221032121319. The reversal of 22221032121211 is 11212123012222.

It is not a de Polignac number, because 22221032121211 - 2²¹ = 22221030024059 is a prime.

It is a super-2 number, since 2×22221032121211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221032101211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202318755 + ... + 202428556.

It is an arithmetic number, because the mean of its divisors is an integer number (932537806848).

Almost surely, 2^{22221032121211} is an apocalyptic number.

22221032121211 is a deficient number, since it is larger than the sum of its proper divisors (7620177697925).

22221032121211 is a wasteful number, since it uses less digits than its factorization.

22221032121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404747383.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22221032121211 its reverse (11212123012222), we get a palindrome (33433155133433).

The spelling of 22221032121211 in words is "twenty-two trillion, two hundred twenty-one billion, thirty-two million, one hundred twenty-one thousand, two hundred eleven".