1001010101223 has 16 divisors (see below), whose sum is σ = 1468899783936. Its totient is φ = 601304000640.

The previous prime is 1001010101171. The next prime is 1001010101239. The reversal of 1001010101223 is 3221010101001.

It is not a de Polignac number, because 1001010101223 - 2⁸ = 1001010100967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001010101199 and 1001010101208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001010101243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134215915 + ... + 134223372.

It is an arithmetic number, because the mean of its divisors is an integer number (91806236496).

Almost surely, 2^{1001010101223} is an apocalyptic number.

1001010101223 is a deficient number, since it is larger than the sum of its proper divisors (467889682713).

1001010101223 is a wasteful number, since it uses less digits than its factorization.

1001010101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268439414.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1001010101223 its reverse (3221010101001), we get a palindrome (4222020202224).

The spelling of 1001010101223 in words is "one trillion, one billion, ten million, one hundred one thousand, two hundred twenty-three".