120211021100111 has 16 divisors (see below), whose sum is σ = 126240346939968. Its totient is φ = 114375463238400.

The previous prime is 120211021100099. The next prime is 120211021100123. The reversal of 120211021100111 is 111001120112021.

It is an interprime number because it is at equal distance from previous prime (120211021100099) and next prime (120211021100123).

It is a cyclic number.

It is not a de Polignac number, because 120211021100111 - 2¹⁰ = 120211021099087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211021100311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261619046 + ... + 262078131.

It is an arithmetic number, because the mean of its divisors is an integer number (7890021683748).

Almost surely, 2^{120211021100111} is an apocalyptic number.

120211021100111 is a deficient number, since it is larger than the sum of its proper divisors (6029325839857).

120211021100111 is an equidigital number, since it uses as much as digits as its factorization.

120211021100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523697362.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 120211021100111 its reverse (111001120112021), we get a palindrome (231212141212132).

The spelling of 120211021100111 in words is "one hundred twenty trillion, two hundred eleven billion, twenty-one million, one hundred thousand, one hundred eleven".