121000120001011 has 2 divisors, whose sum is σ = 121000120001012. Its totient is φ = 121000120001010.

The previous prime is 121000120000979. The next prime is 121000120001081. The reversal of 121000120001011 is 110100021000121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121000120001011 - 2⁵ = 121000120000979 is a prime.

It is not a weakly prime, because it can be changed into another prime (121000120001081) 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, 60500060000505 + 60500060000506.

It is an arithmetic number, because the mean of its divisors is an integer number (60500060000506).

Almost surely, 2^{121000120001011} is an apocalyptic number.

121000120001011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000120001011 is an equidigital number, since it uses as much as digits as its factorization.

121000120001011 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 10.

Adding to 121000120001011 its reverse (110100021000121), we get a palindrome (231100141001132).

The spelling of 121000120001011 in words is "one hundred twenty-one trillion, one hundred twenty million, one thousand, eleven".