220001102022257 has 2 divisors, whose sum is σ = 220001102022258. Its totient is φ = 220001102022256.

The previous prime is 220001102022109. The next prime is 220001102022263. The reversal of 220001102022257 is 752220201100022.

It is a happy number.

220001102022257 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., 116191066406416 + 103810035615841 = 10779196^2 + 10188721^2 .

It is a cyclic number.

It is not a de Polignac number, because 220001102022257 - 2¹² = 220001102018161 is a prime.

It is not a weakly prime, because it can be changed into another prime (220001102082257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000551011128 + 110000551011129.

It is an arithmetic number, because the mean of its divisors is an integer number (110000551011129).

Almost surely, 2^{220001102022257} is an apocalyptic number.

It is an amenable number.

220001102022257 is a deficient number, since it is larger than the sum of its proper divisors (1).

220001102022257 is an equidigital number, since it uses as much as digits as its factorization.

220001102022257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

Adding to 220001102022257 its reverse (752220201100022), we get a palindrome (972221303122279).

The spelling of 220001102022257 in words is "two hundred twenty trillion, one billion, one hundred two million, twenty-two thousand, two hundred fifty-seven".