222121023143 has 2 divisors, whose sum is σ = 222121023144. Its totient is φ = 222121023142.

The previous prime is 222121023121. The next prime is 222121023217. The reversal of 222121023143 is 341320121222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222121023143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222111023143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060511571 + 111060511572.

It is an arithmetic number, because the mean of its divisors is an integer number (111060511572).

Almost surely, 2^222121023143 is an apocalyptic number.

222121023143 is a deficient number, since it is larger than the sum of its proper divisors (1).

222121023143 is an equidigital number, since it uses as much as digits as its factorization.

222121023143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 222121023143 its reverse (341320121222), we get a palindrome (563441144365).

The spelling of 222121023143 in words is "two hundred twenty-two billion, one hundred twenty-one million, twenty-three thousand, one hundred forty-three".