120021211201 has 2 divisors, whose sum is σ = 120021211202. Its totient is φ = 120021211200.

The previous prime is 120021211183. The next prime is 120021211217. The reversal of 120021211201 is 102112120021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66822250000 + 53198961201 = 258500^2 + 230649^2 .

It is an emirp because it is prime and its reverse (102112120021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120021211201 - 2¹¹ = 120021209153 is a prime.

It is a super-2 number, since 2×120021211201² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120021211291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010605600 + 60010605601.

It is an arithmetic number, because the mean of its divisors is an integer number (60010605601).

Almost surely, 2^120021211201 is an apocalyptic number.

It is an amenable number.

120021211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021211201 is an equidigital number, since it uses as much as digits as its factorization.

120021211201 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 120021211201 its reverse (102112120021), we get a palindrome (222133331222).

The spelling of 120021211201 in words is "one hundred twenty billion, twenty-one million, two hundred eleven thousand, two hundred one".