120021020200111 has 2 divisors, whose sum is σ = 120021020200112. Its totient is φ = 120021020200110.

The previous prime is 120021020200087. The next prime is 120021020200199. The reversal of 120021020200111 is 111002020120021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120021020200111 - 2¹⁵ = 120021020167343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120021020200091 and 120021020200100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120021020206111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010510100055 + 60010510100056.

It is an arithmetic number, because the mean of its divisors is an integer number (60010510100056).

Almost surely, 2^{120021020200111} is an apocalyptic number.

120021020200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021020200111 is an equidigital number, since it uses as much as digits as its factorization.

120021020200111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120021020200111 its reverse (111002020120021), we get a palindrome (231023040320132).

The spelling of 120021020200111 in words is "one hundred twenty trillion, twenty-one billion, twenty million, two hundred thousand, one hundred eleven".