1101301021123 has 2 divisors, whose sum is σ = 1101301021124. Its totient is φ = 1101301021122.

The previous prime is 1101301021111. The next prime is 1101301021127. The reversal of 1101301021123 is 3211201031011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101301021123 is a prime.

It is a super-2 number, since 2×1101301021123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101301021097 and 1101301021106.

It is not a weakly prime, because it can be changed into another prime (1101301021127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550650510561 + 550650510562.

It is an arithmetic number, because the mean of its divisors is an integer number (550650510562).

Almost surely, 2^{1101301021123} is an apocalyptic number.

1101301021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101301021123 is an equidigital number, since it uses as much as digits as its factorization.

1101301021123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1101301021123 its reverse (3211201031011), we get a palindrome (4312502052134).

The spelling of 1101301021123 in words is "one trillion, one hundred one billion, three hundred one million, twenty-one thousand, one hundred twenty-three".