1220021201041 has 2 divisors, whose sum is σ = 1220021201042. Its totient is φ = 1220021201040.

The previous prime is 1220021201039. The next prime is 1220021201123. The reversal of 1220021201041 is 1401021200221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 875152766016 + 344868435025 = 935496^2 + 587255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220021201041 - 2¹ = 1220021201039 is a prime.

Together with 1220021201039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1220021301041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610010600520 + 610010600521.

It is an arithmetic number, because the mean of its divisors is an integer number (610010600521).

Almost surely, 2^{1220021201041} is an apocalyptic number.

It is an amenable number.

1220021201041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220021201041 is an equidigital number, since it uses as much as digits as its factorization.

1220021201041 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 1220021201041 its reverse (1401021200221), we get a palindrome (2621042401262).

The spelling of 1220021201041 in words is "one trillion, two hundred twenty billion, twenty-one million, two hundred one thousand, forty-one".