120002131211 has 2 divisors, whose sum is σ = 120002131212. Its totient is φ = 120002131210.

The previous prime is 120002131199. The next prime is 120002131229. The reversal of 120002131211 is 112131200021.

It is a weak prime.

It is an emirp because it is prime and its reverse (112131200021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120002131211 is a prime.

It is a super-2 number, since 2×120002131211² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120002131261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60001065605 + 60001065606.

It is an arithmetic number, because the mean of its divisors is an integer number (60001065606).

Almost surely, 2^120002131211 is an apocalyptic number.

120002131211 is a deficient number, since it is larger than the sum of its proper divisors (1).

120002131211 is an equidigital number, since it uses as much as digits as its factorization.

120002131211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120002131211 its reverse (112131200021), we get a palindrome (232133331232).

The spelling of 120002131211 in words is "one hundred twenty billion, two million, one hundred thirty-one thousand, two hundred eleven".