122100100011 has 12 divisors (see below), whose sum is σ = 181133482192. Its totient is φ = 79200064656.

The previous prime is 122100099997. The next prime is 122100100027. The reversal of 122100100011 is 110001001221.

It is a happy number.

It is not a de Polignac number, because 122100100011 - 2²³ = 122091711403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122100099966 and 122100100002.

It is not an unprimeable number, because it can be changed into a prime (122100102011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183333151 + ... + 183333816.

Almost surely, 2^122100100011 is an apocalyptic number.

122100100011 is a deficient number, since it is larger than the sum of its proper divisors (59033382181).

122100100011 is a wasteful number, since it uses less digits than its factorization.

122100100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366667010 (or 366667007 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 122100100011 its reverse (110001001221), we get a palindrome (232101101232).

It can be divided in two parts, 122100 and 100011, that added together give a triangular number (222111 = T₆₆₆).

The spelling of 122100100011 in words is "one hundred twenty-two billion, one hundred million, one hundred thousand, eleven".