120020210111 has 16 divisors (see below), whose sum is σ = 127685268480. Its totient is φ = 112631117760.

The previous prime is 120020210099. The next prime is 120020210129. The reversal of 120020210111 is 111012020021.

It is a de Polignac number, because none of the positive numbers 2^k-120020210111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020210092 and 120020210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020210311) 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, 138590 + ... + 509163.

It is an arithmetic number, because the mean of its divisors is an integer number (7980329280).

Almost surely, 2^120020210111 is an apocalyptic number.

120020210111 is a deficient number, since it is larger than the sum of its proper divisors (7665058369).

120020210111 is a wasteful number, since it uses less digits than its factorization.

120020210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647966.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120020210111 its reverse (111012020021), we get a palindrome (231032230132).

The spelling of 120020210111 in words is "one hundred twenty billion, twenty million, two hundred ten thousand, one hundred eleven".