221023110041 has 2 divisors, whose sum is σ = 221023110042. Its totient is φ = 221023110040.

The previous prime is 221023109999. The next prime is 221023110079. The reversal of 221023110041 is 140011320122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162110111641 + 58912998400 = 402629^2 + 242720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221023110041 is a prime.

It is not a weakly prime, because it can be changed into another prime (221023010041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110511555020 + 110511555021.

It is an arithmetic number, because the mean of its divisors is an integer number (110511555021).

Almost surely, 2^221023110041 is an apocalyptic number.

It is an amenable number.

221023110041 is a deficient number, since it is larger than the sum of its proper divisors (1).

221023110041 is an equidigital number, since it uses as much as digits as its factorization.

221023110041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 221023110041 its reverse (140011320122), we get a palindrome (361034430163).

The spelling of 221023110041 in words is "two hundred twenty-one billion, twenty-three million, one hundred ten thousand, forty-one".