120001100211 has 48 divisors (see below), whose sum is σ = 183298152960. Its totient is φ = 77576335200.

The previous prime is 120001100171. The next prime is 120001100213. The reversal of 120001100211 is 112001100021.

It is a happy number.

It is not a de Polignac number, because 120001100211 - 2⁷ = 120001100083 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 = 120001100193 and 120001100202.

It is not an unprimeable number, because it can be changed into a prime (120001100213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7124746 + ... + 7141568.

It is an arithmetic number, because the mean of its divisors is an integer number (3818711520).

Almost surely, 2^120001100211 is an apocalyptic number.

120001100211 is a deficient number, since it is larger than the sum of its proper divisors (63297052749).

120001100211 is an equidigital number, since it uses as much as digits as its factorization.

120001100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17025 (or 16958 counting only the distinct ones).

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

Adding to 120001100211 its reverse (112001100021), we get a palindrome (232002200232).

The spelling of 120001100211 in words is "one hundred twenty billion, one million, one hundred thousand, two hundred eleven".