1000020222151 has 2 divisors, whose sum is σ = 1000020222152. Its totient is φ = 1000020222150.

The previous prime is 1000020222107. The next prime is 1000020222199. The reversal of 1000020222151 is 1512220200001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000020222151 - 2¹¹ = 1000020220103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000020202151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500010111075 + 500010111076.

It is an arithmetic number, because the mean of its divisors is an integer number (500010111076).

Almost surely, 2^{1000020222151} is an apocalyptic number.

1000020222151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000020222151 is an equidigital number, since it uses as much as digits as its factorization.

1000020222151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 1000020222151 its reverse (1512220200001), we get a palindrome (2512240422152).

The spelling of 1000020222151 in words is "one trillion, twenty million, two hundred twenty-two thousand, one hundred fifty-one".