100200121011 has 12 divisors (see below), whose sum is σ = 150094008792. Its totient is φ = 66800080512.

The previous prime is 100200121009. The next prime is 100200121019. The reversal of 100200121011 is 110121002001.

It is a happy number.

It is not a de Polignac number, because 100200121011 - 2¹ = 100200121009 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 100200120984 and 100200121002.

It is not an unprimeable number, because it can be changed into a prime (100200121019) 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 11 ways as a sum of consecutive naturals, for example, 206172846 + ... + 206173331.

It is an arithmetic number, because the mean of its divisors is an integer number (12507834066).

Almost surely, 2^100200121011 is an apocalyptic number.

100200121011 is a deficient number, since it is larger than the sum of its proper divisors (49893887781).

100200121011 is an frugal number, since it uses more digits than its factorization.

100200121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412346192 (or 412346180 counting only the distinct ones).

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

Adding to 100200121011 its reverse (110121002001), we get a palindrome (210321123012).

The spelling of 100200121011 in words is "one hundred billion, two hundred million, one hundred twenty-one thousand, eleven".