120211101011 has 4 divisors (see below), whose sum is σ = 120213792000. Its totient is φ = 120208410024.

The previous prime is 120211101001. The next prime is 120211101013. The reversal of 120211101011 is 110101112021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110101112021 = 1583 ⋅69552187.

It is a cyclic number.

It is not a de Polignac number, because 120211101011 - 2²² = 120206906707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120211100983 and 120211101001.

It is not an unprimeable number, because it can be changed into a prime (120211101013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277336 + ... + 1368213.

It is an arithmetic number, because the mean of its divisors is an integer number (30053448000).

Almost surely, 2^120211101011 is an apocalyptic number.

120211101011 is a deficient number, since it is larger than the sum of its proper divisors (2690989).

120211101011 is an equidigital number, since it uses as much as digits as its factorization.

120211101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690988.

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

Adding to 120211101011 its reverse (110101112021), we get a palindrome (230312213032).

It can be divided in two parts, 12021 and 1101011, that multiplied together give a palindrome (13235253231).

The spelling of 120211101011 in words is "one hundred twenty billion, two hundred eleven million, one hundred one thousand, eleven".