120212011202021 has 2 divisors, whose sum is σ = 120212011202022. Its totient is φ = 120212011202020.

The previous prime is 120212011201999. The next prime is 120212011202111. The reversal of 120212011202021 is 120202110212021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119824767602500 + 387243599521 = 10946450^2 + 622289^2 .

It is a cyclic number.

It is not a de Polignac number, because 120212011202021 - 2¹⁰ = 120212011200997 is a prime.

It is a super-3 number, since 3×120212011202021³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120212011202321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106005601010 + 60106005601011.

It is an arithmetic number, because the mean of its divisors is an integer number (60106005601011).

Almost surely, 2^{120212011202021} is an apocalyptic number.

It is an amenable number.

120212011202021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212011202021 is an equidigital number, since it uses as much as digits as its factorization.

120212011202021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120212011202021 its reverse (120202110212021), we get a palindrome (240414121414042).

The spelling of 120212011202021 in words is "one hundred twenty trillion, two hundred twelve billion, eleven million, two hundred two thousand, twenty-one".