122201021111 has 8 divisors (see below), whose sum is σ = 131604533760. Its totient is φ = 112797999072.

The previous prime is 122201021083. The next prime is 122201021123. The reversal of 122201021111 is 111120102221.

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 122201021111 - 2¹⁰ = 122201020087 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 (122201021161) 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, 519050 + ... + 716808.

It is an arithmetic number, because the mean of its divisors is an integer number (16450566720).

Almost surely, 2^122201021111 is an apocalyptic number.

122201021111 is a deficient number, since it is larger than the sum of its proper divisors (9403512649).

122201021111 is a wasteful number, since it uses less digits than its factorization.

122201021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245305.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122201021111 its reverse (111120102221), we get a palindrome (233321123332).

The spelling of 122201021111 in words is "one hundred twenty-two billion, two hundred one million, twenty-one thousand, one hundred eleven".