122200221111 has 8 divisors (see below), whose sum is σ = 162941983104. Its totient is φ = 81462636600.

The previous prime is 122200221107. The next prime is 122200221113. The reversal of 122200221111 is 111122002221.

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

It is not a de Polignac number, because 122200221111 - 2² = 122200221107 is a prime.

It is a super-4 number, since 4×122200221111⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200221113) 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, 975465 + ... + 1093586.

It is an arithmetic number, because the mean of its divisors is an integer number (20367747888).

Almost surely, 2^122200221111 is an apocalyptic number.

122200221111 is a deficient number, since it is larger than the sum of its proper divisors (40741761993).

122200221111 is a wasteful number, since it uses less digits than its factorization.

122200221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088741.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122200221111 its reverse (111122002221), we get a palindrome (233322223332).

The spelling of 122200221111 in words is "one hundred twenty-two billion, two hundred million, two hundred twenty-one thousand, one hundred eleven".