122111200010 has 16 divisors (see below), whose sum is σ = 219931885800. Its totient is φ = 48815207616.

The previous prime is 122111199983. The next prime is 122111200019. The reversal of 122111200010 is 10002111221.

It can be written as a sum of positive squares in 4 ways, for example, as 120883468489 + 1227731521 = 347683^2 + 35039^2 .

It is a super-2 number, since 2×122111200010² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122111199964 and 122111200000.

It is not an unprimeable number, because it can be changed into a prime (122111200019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3641525 + ... + 3674904.

Almost surely, 2^122111200010 is an apocalyptic number.

122111200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111200010 is a deficient number, since it is larger than the sum of its proper divisors (97820685790).

122111200010 is a wasteful number, since it uses less digits than its factorization.

122111200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7318105.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122111200010 its reverse (10002111221), we get a palindrome (132113311231).

The spelling of 122111200010 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred thousand, ten".