200122011011123 has 2 divisors, whose sum is σ = 200122011011124. Its totient is φ = 200122011011122.

The previous prime is 200122011011119. The next prime is 200122011011171. The reversal of 200122011011123 is 321110110221002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200122011011123 - 2² = 200122011011119 is a prime.

It is a super-2 number, since 2×200122011011123² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200122011031123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061005505561 + 100061005505562.

It is an arithmetic number, because the mean of its divisors is an integer number (100061005505562).

Almost surely, 2^{200122011011123} is an apocalyptic number.

200122011011123 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122011011123 is an equidigital number, since it uses as much as digits as its factorization.

200122011011123 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 17.

Adding to 200122011011123 its reverse (321110110221002), we get a palindrome (521232121232125).

The spelling of 200122011011123 in words is "two hundred trillion, one hundred twenty-two billion, eleven million, eleven thousand, one hundred twenty-three".