2121410331101 has 12 divisors (see below), whose sum is σ = 2219457979200. Its totient is φ = 2027526081240.

The previous prime is 2121410330999. The next prime is 2121410331109. The reversal of 2121410331101 is 1011330141212.

It is a de Polignac number, because none of the positive numbers 2^k-2121410331101 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 (2121410331109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977651 + ... + 2280048.

It is an arithmetic number, because the mean of its divisors is an integer number (184954831600).

Almost surely, 2^{2121410331101} is an apocalyptic number.

It is an amenable number.

2121410331101 is a deficient number, since it is larger than the sum of its proper divisors (98047648099).

2121410331101 is a wasteful number, since it uses less digits than its factorization.

2121410331101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258976 (or 3258953 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2121410331101 its reverse (1011330141212), we get a palindrome (3132740472313).

The spelling of 2121410331101 in words is "two trillion, one hundred twenty-one billion, four hundred ten million, three hundred thirty-one thousand, one hundred one".