220010222201951 has 2 divisors, whose sum is σ = 220010222201952. Its totient is φ = 220010222201950.

The previous prime is 220010222201947. The next prime is 220010222202019. The reversal of 220010222201951 is 159102222010022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220010222201951 - 2² = 220010222201947 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220010222201921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005111100975 + 110005111100976.

It is an arithmetic number, because the mean of its divisors is an integer number (110005111100976).

Almost surely, 2^{220010222201951} is an apocalyptic number.

220010222201951 is a deficient number, since it is larger than the sum of its proper divisors (1).

220010222201951 is an equidigital number, since it uses as much as digits as its factorization.

220010222201951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 220010222201951 its reverse (159102222010022), we get a palindrome (379112444211973).

The spelling of 220010222201951 in words is "two hundred twenty trillion, ten billion, two hundred twenty-two million, two hundred one thousand, nine hundred fifty-one".