222222202120151 has 2 divisors, whose sum is σ = 222222202120152. Its totient is φ = 222222202120150.

The previous prime is 222222202120091. The next prime is 222222202120211. The reversal of 222222202120151 is 151021202222222.

It is a balanced prime because it is at equal distance from previous prime (222222202120091) and next prime (222222202120211).

It is a cyclic number.

It is not a de Polignac number, because 222222202120151 - 2¹⁴ = 222222202103767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222222202120151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222222702120151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111101060075 + 111111101060076.

It is an arithmetic number, because the mean of its divisors is an integer number (111111101060076).

Almost surely, 2^{222222202120151} is an apocalyptic number.

222222202120151 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222202120151 is an equidigital number, since it uses as much as digits as its factorization.

222222202120151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 222222202120151 its reverse (151021202222222), we get a palindrome (373243404342373).

The spelling of 222222202120151 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred two million, one hundred twenty thousand, one hundred fifty-one".