2011000121121 has 8 divisors (see below), whose sum is σ = 2702446357504. Its totient is φ = 1330110316080.

The previous prime is 2011000121101. The next prime is 2011000121191. The reversal of 2011000121121 is 1211210001102.

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

It is not a de Polignac number, because 2011000121121 - 2⁵ = 2011000121089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2011000121097 and 2011000121106.

It is not an unprimeable number, because it can be changed into a prime (2011000121101) 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, 2639107390 + ... + 2639108151.

It is an arithmetic number, because the mean of its divisors is an integer number (337805794688).

Almost surely, 2^{2011000121121} is an apocalyptic number.

It is an amenable number.

2011000121121 is a deficient number, since it is larger than the sum of its proper divisors (691446236383).

2011000121121 is a wasteful number, since it uses less digits than its factorization.

2011000121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278215671.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2011000121121 its reverse (1211210001102), we get a palindrome (3222210122223).

The spelling of 2011000121121 in words is "two trillion, eleven billion, one hundred twenty-one thousand, one hundred twenty-one".