122201022111 has 8 divisors (see below), whose sum is σ = 186211081344. Its totient is φ = 69829155480.

The previous prime is 122201022101. The next prime is 122201022131. The reversal of 122201022111 is 111220102221.

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

It is not a de Polignac number, because 122201022111 - 2⁷ = 122201021983 is a prime.

It is a super-2 number, since 2×122201022111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201022101) 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, 2909548125 + ... + 2909548166.

It is an arithmetic number, because the mean of its divisors is an integer number (23276385168).

Almost surely, 2^122201022111 is an apocalyptic number.

122201022111 is a deficient number, since it is larger than the sum of its proper divisors (64010059233).

122201022111 is an equidigital number, since it uses as much as digits as its factorization.

122201022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5819096301.

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

Adding to 122201022111 its reverse (111220102221), we get a palindrome (233421124332).

The spelling of 122201022111 in words is "one hundred twenty-two billion, two hundred one million, twenty-two thousand, one hundred eleven".