2121000303101 has 16 divisors (see below), whose sum is σ = 2148841599408. Its totient is φ = 2093300352000.

The previous prime is 2121000303041. The next prime is 2121000303133. The reversal of 2121000303101 is 1013030001212.

It can be written as a sum of positive squares in 8 ways, for example, as 119369559001 + 2001630744100 = 345499^2 + 1414790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121000303101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121000303601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62253611 + ... + 62287671.

It is an arithmetic number, because the mean of its divisors is an integer number (134302599963).

Almost surely, 2^{2121000303101} is an apocalyptic number.

It is an amenable number.

2121000303101 is a deficient number, since it is larger than the sum of its proper divisors (27841296307).

2121000303101 is a wasteful number, since it uses less digits than its factorization.

2121000303101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36112.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 2121000303101 its reverse (1013030001212), we get a palindrome (3134030304313).

The spelling of 2121000303101 in words is "two trillion, one hundred twenty-one billion, three hundred three thousand, one hundred one".