121000201011011 has 32 divisors (see below), whose sum is σ = 138854899814400. Its totient is φ = 103288723512480.

The previous prime is 121000201011007. The next prime is 121000201011077. The reversal of 121000201011011 is 110110102000121.

It is a cyclic number.

It is not a de Polignac number, because 121000201011011 - 2² = 121000201011007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121000201010983 and 121000201011001.

It is not an unprimeable number, because it can be changed into a prime (121000201017011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5335329770 + ... + 5335352448.

It is an arithmetic number, because the mean of its divisors is an integer number (4339215619200).

Almost surely, 2^{121000201011011} is an apocalyptic number.

121000201011011 is a deficient number, since it is larger than the sum of its proper divisors (17854698803389).

121000201011011 is a wasteful number, since it uses less digits than its factorization.

121000201011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26159.

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

Adding to 121000201011011 its reverse (110110102000121), we get a palindrome (231110303011132).

The spelling of 121000201011011 in words is "one hundred twenty-one trillion, two hundred one million, eleven thousand, eleven".