12222121202111 has 8 divisors (see below), whose sum is σ = 12344845697184. Its totient is φ = 12099430303200.

The previous prime is 12222121202033. The next prime is 12222121202131. The reversal of 12222121202111 is 11120212122221.

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 12222121202111 - 2¹⁴ = 12222121185727 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 (12222121202131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7667480 + ... + 9123293.

It is an arithmetic number, because the mean of its divisors is an integer number (1543105712148).

Almost surely, 2^{12222121202111} is an apocalyptic number.

12222121202111 is a deficient number, since it is larger than the sum of its proper divisors (122724495073).

12222121202111 is a wasteful number, since it uses less digits than its factorization.

12222121202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16798081.

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

Adding to 12222121202111 its reverse (11120212122221), we get a palindrome (23342333324332).

The spelling of 12222121202111 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred two thousand, one hundred eleven".