2123221043041 has 32 divisors (see below), whose sum is σ = 2622762125568. Its totient is φ = 1677316792320.

The previous prime is 2123221042963. The next prime is 2123221043071. The reversal of 2123221043041 is 1403401223212.

It is a cyclic number.

It is not a de Polignac number, because 2123221043041 - 2²¹ = 2123218945889 is a prime.

It is a super-2 number, since 2×2123221043041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123221042997 and 2123221043015.

It is not an unprimeable number, because it can be changed into a prime (2123221043071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2976721 + ... + 3620401.

It is an arithmetic number, because the mean of its divisors is an integer number (81961316424).

Almost surely, 2^{2123221043041} is an apocalyptic number.

It is an amenable number.

2123221043041 is a deficient number, since it is larger than the sum of its proper divisors (499541082527).

2123221043041 is a wasteful number, since it uses less digits than its factorization.

2123221043041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644281.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2123221043041 its reverse (1403401223212), we get a palindrome (3526622266253).

The spelling of 2123221043041 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-one million, forty-three thousand, forty-one".