2121011313001 has 8 divisors (see below), whose sum is σ = 2566601925120. Its totient is φ = 1711067949888.

The previous prime is 2121011312999. The next prime is 2121011313041. The reversal of 2121011313001 is 1003131101212.

It is a happy number.

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 2121011313001 - 2¹ = 2121011312999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121011313041) 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, 8911812121 + ... + 8911812358.

It is an arithmetic number, because the mean of its divisors is an integer number (320825240640).

Almost surely, 2^{2121011313001} is an apocalyptic number.

It is an amenable number.

2121011313001 is a deficient number, since it is larger than the sum of its proper divisors (445590612119).

2121011313001 is a wasteful number, since it uses less digits than its factorization.

2121011313001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17823624503.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2121011313001 its reverse (1003131101212), we get a palindrome (3124142414213).

The spelling of 2121011313001 in words is "two trillion, one hundred twenty-one billion, eleven million, three hundred thirteen thousand, one".