220012222100051 has 2 divisors, whose sum is σ = 220012222100052. Its totient is φ = 220012222100050.

The previous prime is 220012222100039. The next prime is 220012222100123. The reversal of 220012222100051 is 150001222210022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220012222100051 - 2⁴² = 215614175588947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220012222099996 and 220012222100032.

It is not a weakly prime, because it can be changed into another prime (220012222100651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110006111050025 + 110006111050026.

It is an arithmetic number, because the mean of its divisors is an integer number (110006111050026).

Almost surely, 2^{220012222100051} is an apocalyptic number.

220012222100051 is a deficient number, since it is larger than the sum of its proper divisors (1).

220012222100051 is an equidigital number, since it uses as much as digits as its factorization.

220012222100051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 220012222100051 its reverse (150001222210022), we get a palindrome (370013444310073).

The spelling of 220012222100051 in words is "two hundred twenty trillion, twelve billion, two hundred twenty-two million, one hundred thousand, fifty-one".