121000020101011 has 8 divisors (see below), whose sum is σ = 121456385413920. Its totient is φ = 120543703315392.

The previous prime is 121000020100987. The next prime is 121000020101033. The reversal of 121000020101011 is 110101020000121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121000020101011 - 2¹¹ = 121000020098963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121000020101911) 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 in 7 ways as a sum of consecutive naturals, for example, 7131655 + ... + 17113168.

It is an arithmetic number, because the mean of its divisors is an integer number (15182048176740).

Almost surely, 2^{121000020101011} is an apocalyptic number.

121000020101011 is a deficient number, since it is larger than the sum of its proper divisors (456365312909).

121000020101011 is a wasteful number, since it uses less digits than its factorization.

121000020101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24263645.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121000020101011 its reverse (110101020000121), we get a palindrome (231101040101132).

The spelling of 121000020101011 in words is "one hundred twenty-one trillion, twenty million, one hundred one thousand, eleven".