120101001211 has 4 divisors (see below), whose sum is σ = 120492209992. Its totient is φ = 119709792432.

The previous prime is 120101001199. The next prime is 120101001221. The reversal of 120101001211 is 112100101021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112100101021 = 31 ⋅3616132291.

It is a cyclic number.

It is not a de Polignac number, because 120101001211 - 2⁵ = 120101001179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120101001221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195603930 + ... + 195604543.

It is an arithmetic number, because the mean of its divisors is an integer number (30123052498).

Almost surely, 2^120101001211 is an apocalyptic number.

120101001211 is a deficient number, since it is larger than the sum of its proper divisors (391208781).

120101001211 is an equidigital number, since it uses as much as digits as its factorization.

120101001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391208780.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120101001211 its reverse (112100101021), we get a palindrome (232201102232).

The spelling of 120101001211 in words is "one hundred twenty billion, one hundred one million, one thousand, two hundred eleven".