1041561214221 has 16 divisors (see below), whose sum is σ = 1518160988160. Its totient is φ = 629931363120.

The previous prime is 1041561214171. The next prime is 1041561214237. The reversal of 1041561214221 is 1224121651401.

1041561214221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1041561214221 - 2⁶ = 1041561214157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041561214721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32930395 + ... + 32962008.

It is an arithmetic number, because the mean of its divisors is an integer number (94885061760).

Almost surely, 2^{1041561214221} is an apocalyptic number.

1041561214221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1041561214221 is a deficient number, since it is larger than the sum of its proper divisors (476599773939).

1041561214221 is a wasteful number, since it uses less digits than its factorization.

1041561214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65892896.

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 1041561214221 its reverse (1224121651401), we get a palindrome (2265682865622).

The spelling of 1041561214221 in words is "one trillion, forty-one billion, five hundred sixty-one million, two hundred fourteen thousand, two hundred twenty-one".