22151121143 has 2 divisors, whose sum is σ = 22151121144. Its totient is φ = 22151121142.

The previous prime is 22151121137. The next prime is 22151121149. The reversal of 22151121143 is 34112115122.

It is a balanced prime because it is at equal distance from previous prime (22151121137) and next prime (22151121149).

It is a cyclic number.

It is not a de Polignac number, because 22151121143 - 2¹⁰ = 22151120119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22151121149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075560571 + 11075560572.

It is an arithmetic number, because the mean of its divisors is an integer number (11075560572).

Almost surely, 2^22151121143 is an apocalyptic number.

22151121143 is a deficient number, since it is larger than the sum of its proper divisors (1).

22151121143 is an equidigital number, since it uses as much as digits as its factorization.

22151121143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 23.

Adding to 22151121143 its reverse (34112115122), we get a palindrome (56263236265).

The spelling of 22151121143 in words is "twenty-two billion, one hundred fifty-one million, one hundred twenty-one thousand, one hundred forty-three".