210100120011 has 24 divisors (see below), whose sum is σ = 310915738224. Its totient is φ = 136634711040.

The previous prime is 210100119959. The next prime is 210100120039. The reversal of 210100120011 is 110021001012.

It is a happy number.

It is not a de Polignac number, because 210100120011 - 2⁹ = 210100119499 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 = 210100119975 and 210100120002.

It is not an unprimeable number, because it can be changed into a prime (210100124011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3760795 + ... + 3816251.

It is an arithmetic number, because the mean of its divisors is an integer number (12954822426).

Almost surely, 2^210100120011 is an apocalyptic number.

210100120011 is a deficient number, since it is larger than the sum of its proper divisors (100815618213).

210100120011 is a wasteful number, since it uses less digits than its factorization.

210100120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65771 (or 65768 counting only the distinct ones).

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

Adding to 210100120011 its reverse (110021001012), we get a palindrome (320121121023).

The spelling of 210100120011 in words is "two hundred ten billion, one hundred million, one hundred twenty thousand, eleven".