10000121021011 has 8 divisors (see below), whose sum is σ = 11162925791424. Its totient is φ = 8879600060520.

The previous prime is 10000121020999. The next prime is 10000121021053. The reversal of 10000121021011 is 11012012100001.

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 10000121021011 - 2³⁵ = 9965761282643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10000121021081) 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, 10570951981 + ... + 10570952926.

It is an arithmetic number, because the mean of its divisors is an integer number (1395365723928).

Almost surely, 2^{10000121021011} is an apocalyptic number.

10000121021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10000121021011 is a deficient number, since it is larger than the sum of its proper divisors (1162804770413).

10000121021011 is a wasteful number, since it uses less digits than its factorization.

10000121021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21141904961.

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

Adding to 10000121021011 its reverse (11012012100001), we get a palindrome (21012133121012).

The spelling of 10000121021011 in words is "ten trillion, one hundred twenty-one million, twenty-one thousand, eleven".