122011200111 has 8 divisors (see below), whose sum is σ = 167078400304. Its totient is φ = 79142400000.

The previous prime is 122011200061. The next prime is 122011200151. The reversal of 122011200111 is 111002110221.

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

It is not a de Polignac number, because 122011200111 - 2¹⁰ = 122011199087 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 (122011200151) 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, 549599890 + ... + 549600111.

It is an arithmetic number, because the mean of its divisors is an integer number (20884800038).

Almost surely, 2^122011200111 is an apocalyptic number.

122011200111 is a deficient number, since it is larger than the sum of its proper divisors (45067200193).

122011200111 is a wasteful number, since it uses less digits than its factorization.

122011200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099200041.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122011200111 its reverse (111002110221), we get a palindrome (233013310332).

The spelling of 122011200111 in words is "one hundred twenty-two billion, eleven million, two hundred thousand, one hundred eleven".