120111001211 has 2 divisors, whose sum is σ = 120111001212. Its totient is φ = 120111001210.

The previous prime is 120111001201. The next prime is 120111001229. The reversal of 120111001211 is 112100111021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120111001211 - 2²² = 120106806907 is a prime.

It is a super-2 number, since 2×120111001211² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120111001192 and 120111001201.

It is not a weakly prime, because it can be changed into another prime (120111001201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055500605 + 60055500606.

It is an arithmetic number, because the mean of its divisors is an integer number (60055500606).

Almost surely, 2^120111001211 is an apocalyptic number.

120111001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111001211 is an equidigital number, since it uses as much as digits as its factorization.

120111001211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120111001211 its reverse (112100111021), we get a palindrome (232211112232).

The spelling of 120111001211 in words is "one hundred twenty billion, one hundred eleven million, one thousand, two hundred eleven".