122111100110 has 16 divisors (see below), whose sum is σ = 227379290400. Its totient is φ = 47160148896.

The previous prime is 122111100109. The next prime is 122111100119. The reversal of 122111100110 is 11001111221.

It is a super-2 number, since 2×122111100110² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111100091 and 122111100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111100119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210536090 + ... + 210536669.

It is an arithmetic number, because the mean of its divisors is an integer number (14211205650).

Almost surely, 2^122111100110 is an apocalyptic number.

122111100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111100110 is a deficient number, since it is larger than the sum of its proper divisors (105268190290).

122111100110 is a wasteful number, since it uses less digits than its factorization.

122111100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421072795.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 122111100110 its reverse (11001111221), we get a palindrome (133112211331).

The spelling of 122111100110 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred thousand, one hundred ten".