120011101211 has 4 divisors (see below), whose sum is σ = 120120501672. Its totient is φ = 119901700752.

The previous prime is 120011101201. The next prime is 120011101229. The reversal of 120011101211 is 112101110021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112101110021 = 3643 ⋅30771647.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120011101211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120011101192 and 120011101201.

It is not an unprimeable number, because it can be changed into a prime (120011101201) 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, 54698585 + ... + 54700778.

It is an arithmetic number, because the mean of its divisors is an integer number (30030125418).

Almost surely, 2^120011101211 is an apocalyptic number.

120011101211 is a deficient number, since it is larger than the sum of its proper divisors (109400461).

120011101211 is a wasteful number, since it uses less digits than its factorization.

120011101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109400460.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120011101211 its reverse (112101110021), we get a palindrome (232112211232).

The spelling of 120011101211 in words is "one hundred twenty billion, eleven million, one hundred one thousand, two hundred eleven".