1120202111123 has 2 divisors, whose sum is σ = 1120202111124. Its totient is φ = 1120202111122.

The previous prime is 1120202111071. The next prime is 1120202111143. The reversal of 1120202111123 is 3211112020211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120202111123 - 2¹⁶ = 1120202045587 is a prime.

It is a super-2 number, since 2×1120202111123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1120202111143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560101055561 + 560101055562.

It is an arithmetic number, because the mean of its divisors is an integer number (560101055562).

Almost surely, 2^{1120202111123} is an apocalyptic number.

1120202111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120202111123 is an equidigital number, since it uses as much as digits as its factorization.

1120202111123 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 1120202111123 its reverse (3211112020211), we get a palindrome (4331314131334).

The spelling of 1120202111123 in words is "one trillion, one hundred twenty billion, two hundred two million, one hundred eleven thousand, one hundred twenty-three".