1000120012211 has 2 divisors, whose sum is σ = 1000120012212. Its totient is φ = 1000120012210.

The previous prime is 1000120012127. The next prime is 1000120012247. The reversal of 1000120012211 is 1122100210001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000120012211 - 2²⁶ = 1000052903347 is a prime.

It is a super-3 number, since 3×1000120012211³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000120012192 and 1000120012201.

It is not a weakly prime, because it can be changed into another prime (1000120014211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500060006105 + 500060006106.

It is an arithmetic number, because the mean of its divisors is an integer number (500060006106).

Almost surely, 2^{1000120012211} is an apocalyptic number.

1000120012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000120012211 is an equidigital number, since it uses as much as digits as its factorization.

1000120012211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000120012211 its reverse (1122100210001), we get a palindrome (2122220222212).

The spelling of 1000120012211 in words is "one trillion, one hundred twenty million, twelve thousand, two hundred eleven".