1123010220029 has 2 divisors, whose sum is σ = 1123010220030. Its totient is φ = 1123010220028.

The previous prime is 1123010220001. The next prime is 1123010220047. The reversal of 1123010220029 is 9200220103211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1056017251129 + 66992968900 = 1027627^2 + 258830^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123010220029 - 2¹² = 1123010215933 is a prime.

It is a super-2 number, since 2×1123010220029² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123010219986 and 1123010220013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123010220089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561505110014 + 561505110015.

It is an arithmetic number, because the mean of its divisors is an integer number (561505110015).

Almost surely, 2^{1123010220029} is an apocalyptic number.

It is an amenable number.

1123010220029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123010220029 is an equidigital number, since it uses as much as digits as its factorization.

1123010220029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1123010220029 in words is "one trillion, one hundred twenty-three billion, ten million, two hundred twenty thousand, twenty-nine".