122200111011 has 16 divisors (see below), whose sum is σ = 182549553408. Its totient is φ = 72059032800.

The previous prime is 122200111009. The next prime is 122200111013. The reversal of 122200111011 is 110111002221.

It is an interprime number because it is at equal distance from previous prime (122200111009) and next prime (122200111013).

It is not a de Polignac number, because 122200111011 - 2¹ = 122200111009 is a prime.

It is a super-2 number, since 2×122200111011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122200111013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50039775 + ... + 50042216.

It is an arithmetic number, because the mean of its divisors is an integer number (11409347088).

Almost surely, 2^122200111011 is an apocalyptic number.

122200111011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122200111011 is a deficient number, since it is larger than the sum of its proper divisors (60349442397).

122200111011 is a wasteful number, since it uses less digits than its factorization.

122200111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100082042.

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

Adding to 122200111011 its reverse (110111002221), we get a palindrome (232311113232).

The spelling of 122200111011 in words is "one hundred twenty-two billion, two hundred million, one hundred eleven thousand, eleven".