222020106851 has 2 divisors, whose sum is σ = 222020106852. Its totient is φ = 222020106850.

The previous prime is 222020106817. The next prime is 222020106907. The reversal of 222020106851 is 158601020222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222020106851 - 2¹⁸ = 222019844707 is a prime.

It is a super-2 number, since 2×222020106851² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222020106151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010053425 + 111010053426.

It is an arithmetic number, because the mean of its divisors is an integer number (111010053426).

Almost surely, 2^222020106851 is an apocalyptic number.

222020106851 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020106851 is an equidigital number, since it uses as much as digits as its factorization.

222020106851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 222020106851 in words is "two hundred twenty-two billion, twenty million, one hundred six thousand, eight hundred fifty-one".