22120202221111 has 8 divisors (see below), whose sum is σ = 23087710646784. Its totient is φ = 21153173837400.

The previous prime is 22120202221069. The next prime is 22120202221123. The reversal of 22120202221111 is 11112220202122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22120202221111 - 2¹⁷ = 22120202090039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120202221151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119916315 + ... + 120100636.

It is an arithmetic number, because the mean of its divisors is an integer number (2885963830848).

Almost surely, 2^{22120202221111} is an apocalyptic number.

22120202221111 is a deficient number, since it is larger than the sum of its proper divisors (967508425673).

22120202221111 is a wasteful number, since it uses less digits than its factorization.

22120202221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240020981.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22120202221111 its reverse (11112220202122), we get a palindrome (33232422423233).

The spelling of 22120202221111 in words is "twenty-two trillion, one hundred twenty billion, two hundred two million, two hundred twenty-one thousand, one hundred eleven".