101120312011 has 2 divisors, whose sum is σ = 101120312012. Its totient is φ = 101120312010.

The previous prime is 101120312003. The next prime is 101120312039. The reversal of 101120312011 is 110213021101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101120312011 - 2³ = 101120312003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101120311982 and 101120312000.

It is not a weakly prime, because it can be changed into another prime (101120312911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560156005 + 50560156006.

It is an arithmetic number, because the mean of its divisors is an integer number (50560156006).

Almost surely, 2^101120312011 is an apocalyptic number.

101120312011 is a deficient number, since it is larger than the sum of its proper divisors (1).

101120312011 is an equidigital number, since it uses as much as digits as its factorization.

101120312011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101120312011 its reverse (110213021101), we get a palindrome (211333333112).

The spelling of 101120312011 in words is "one hundred one billion, one hundred twenty million, three hundred twelve thousand, eleven".