1000121201011 has 8 divisors (see below), whose sum is σ = 1060737624144. Its totient is φ = 939703196160.

The previous prime is 1000121200997. The next prime is 1000121201041. The reversal of 1000121201011 is 1101021210001.

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 1000121201011 - 2⁵ = 1000121200979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000121201041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49594185 + ... + 49614346.

It is an arithmetic number, because the mean of its divisors is an integer number (132592203018).

Almost surely, 2^{1000121201011} is an apocalyptic number.

1000121201011 is a deficient number, since it is larger than the sum of its proper divisors (60616423133).

1000121201011 is an equidigital number, since it uses as much as digits as its factorization.

1000121201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99209141.

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

Adding to 1000121201011 its reverse (1101021210001), we get a palindrome (2101142411012).

The spelling of 1000121201011 in words is "one trillion, one hundred twenty-one million, two hundred one thousand, eleven".