120202112000021 has 2 divisors, whose sum is σ = 120202112000022. Its totient is φ = 120202112000020.

The previous prime is 120202112000017. The next prime is 120202112000059. The reversal of 120202112000021 is 120000211202021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109054786984900 + 11147325015121 = 10442930^2 + 3338761^2 .

It is an emirp because it is prime and its reverse (120000211202021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120202112000021 - 2² = 120202112000017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120202115000021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101056000010 + 60101056000011.

It is an arithmetic number, because the mean of its divisors is an integer number (60101056000011).

Almost surely, 2^{120202112000021} is an apocalyptic number.

It is an amenable number.

120202112000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120202112000021 is an equidigital number, since it uses as much as digits as its factorization.

120202112000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120202112000021 its reverse (120000211202021), we get a palindrome (240202323202042).

It can be divided in two parts, 1202021 and 12000021, that multiplied together give a palindrome (14424277242441).

The spelling of 120202112000021 in words is "one hundred twenty trillion, two hundred two billion, one hundred twelve million, twenty-one", and thus it is an aban number.