41202211021 has 2 divisors, whose sum is σ = 41202211022. Its totient is φ = 41202211020.

The previous prime is 41202210947. The next prime is 41202211091. The reversal of 41202211021 is 12011220214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20956905225 + 20245305796 = 144765^2 + 142286^2 .

It is a cyclic number.

It is not a de Polignac number, because 41202211021 - 2¹¹ = 41202208973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41202210986 and 41202211004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41202211091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20601105510 + 20601105511.

It is an arithmetic number, because the mean of its divisors is an integer number (20601105511).

Almost surely, 2^41202211021 is an apocalyptic number.

It is an amenable number.

41202211021 is a deficient number, since it is larger than the sum of its proper divisors (1).

41202211021 is an equidigital number, since it uses as much as digits as its factorization.

41202211021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 41202211021 its reverse (12011220214), we get a palindrome (53213431235).

The spelling of 41202211021 in words is "forty-one billion, two hundred two million, two hundred eleven thousand, twenty-one".