1001011202123 has 2 divisors, whose sum is σ = 1001011202124. Its totient is φ = 1001011202122.

The previous prime is 1001011202119. The next prime is 1001011202137. The reversal of 1001011202123 is 3212021101001.

It is an a-pointer prime, because the next prime (1001011202137) can be obtained adding 1001011202123 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001011202123 - 2² = 1001011202119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001011202098 and 1001011202107.

It is not a weakly prime, because it can be changed into another prime (1001011202143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500505601061 + 500505601062.

It is an arithmetic number, because the mean of its divisors is an integer number (500505601062).

Almost surely, 2^{1001011202123} is an apocalyptic number.

1001011202123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001011202123 is an equidigital number, since it uses as much as digits as its factorization.

1001011202123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1001011202123 its reverse (3212021101001), we get a palindrome (4213032303124).

The spelling of 1001011202123 in words is "one trillion, one billion, eleven million, two hundred two thousand, one hundred twenty-three".