120101001011 has 2 divisors, whose sum is σ = 120101001012. Its totient is φ = 120101001010.

The previous prime is 120101000993. The next prime is 120101001047. The reversal of 120101001011 is 110100101021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120101001011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120101001011.

It is not a weakly prime, because it can be changed into another prime (120101001511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050500505 + 60050500506.

It is an arithmetic number, because the mean of its divisors is an integer number (60050500506).

Almost surely, 2^120101001011 is an apocalyptic number.

120101001011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101001011 is an equidigital number, since it uses as much as digits as its factorization.

120101001011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 120101001011 its reverse (110100101021), we get a palindrome (230201102032).

The spelling of 120101001011 in words is "one hundred twenty billion, one hundred one million, one thousand, eleven".