221020001202041 has 2 divisors, whose sum is σ = 221020001202042. Its totient is φ = 221020001202040.

The previous prime is 221020001201957. The next prime is 221020001202053. The reversal of 221020001202041 is 140202100020122.

221020001202041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213274333327225 + 7745667874816 = 14603915^2 + 2783104^2 .

It is a cyclic number.

It is not a de Polignac number, because 221020001202041 - 2¹⁴ = 221020001185657 is a prime.

It is not a weakly prime, because it can be changed into another prime (221020001202841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110510000601020 + 110510000601021.

It is an arithmetic number, because the mean of its divisors is an integer number (110510000601021).

Almost surely, 2^{221020001202041} is an apocalyptic number.

It is an amenable number.

221020001202041 is a deficient number, since it is larger than the sum of its proper divisors (1).

221020001202041 is an equidigital number, since it uses as much as digits as its factorization.

221020001202041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221020001202041 its reverse (140202100020122), we get a palindrome (361222101222163).

The spelling of 221020001202041 in words is "two hundred twenty-one trillion, twenty billion, one million, two hundred two thousand, forty-one".