220002001123 has 2 divisors, whose sum is σ = 220002001124. Its totient is φ = 220002001122.

The previous prime is 220002001061. The next prime is 220002001171. The reversal of 220002001123 is 321100200022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220002001123 is a prime.

It is a super-2 number, since 2×220002001123² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220002001423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001000561 + 110001000562.

It is an arithmetic number, because the mean of its divisors is an integer number (110001000562).

Almost surely, 2^220002001123 is an apocalyptic number.

220002001123 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002001123 is an equidigital number, since it uses as much as digits as its factorization.

220002001123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 220002001123 its reverse (321100200022), we get a palindrome (541102201145).

The spelling of 220002001123 in words is "two hundred twenty billion, two million, one thousand, one hundred twenty-three".