2121122701441 has 4 divisors (see below), whose sum is σ = 2121730302384. Its totient is φ = 2120515100500.

The previous prime is 2121122701417. The next prime is 2121122701447. The reversal of 2121122701441 is 1441072211212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2121122701441 - 2⁵ = 2121122701409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121122701447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303795235 + ... + 303802216.

It is an arithmetic number, because the mean of its divisors is an integer number (530432575596).

Almost surely, 2^{2121122701441} is an apocalyptic number.

It is an amenable number.

2121122701441 is a deficient number, since it is larger than the sum of its proper divisors (607600943).

2121122701441 is an equidigital number, since it uses as much as digits as its factorization.

2121122701441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607600942.

The product of its (nonzero) digits is 1792, while the sum is 28.

Adding to 2121122701441 its reverse (1441072211212), we get a palindrome (3562194912653).

The spelling of 2121122701441 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-two million, seven hundred one thousand, four hundred forty-one".