1210211210041 has 2 divisors, whose sum is σ = 1210211210042. Its totient is φ = 1210211210040.

The previous prime is 1210211210009. The next prime is 1210211210059. The reversal of 1210211210041 is 1400121120121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1202356110400 + 7855099641 = 1096520^2 + 88629^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210211210041 - 2⁵ = 1210211210009 is a prime.

It is a super-2 number, since 2×1210211210041² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210211209997 and 1210211210024.

It is not a weakly prime, because it can be changed into another prime (1210211210141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605105605020 + 605105605021.

It is an arithmetic number, because the mean of its divisors is an integer number (605105605021).

Almost surely, 2^{1210211210041} is an apocalyptic number.

It is an amenable number.

1210211210041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210211210041 is an equidigital number, since it uses as much as digits as its factorization.

1210211210041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1210211210041 its reverse (1400121120121), we get a palindrome (2610332330162).

The spelling of 1210211210041 in words is "one trillion, two hundred ten billion, two hundred eleven million, two hundred ten thousand, forty-one".