1001011201223 has 32 divisors (see below), whose sum is σ = 1133651261952. Its totient is φ = 875937484800.

The previous prime is 1001011201189. The next prime is 1001011201261. The reversal of 1001011201223 is 3221021101001.

It is a cyclic number.

It is not a de Polignac number, because 1001011201223 - 2¹⁶ = 1001011135687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001011201198 and 1001011201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001011200223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95941415 + ... + 95951847.

It is an arithmetic number, because the mean of its divisors is an integer number (35426601936).

Almost surely, 2^{1001011201223} is an apocalyptic number.

1001011201223 is a deficient number, since it is larger than the sum of its proper divisors (132640060729).

1001011201223 is a wasteful number, since it uses less digits than its factorization.

1001011201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415.

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

Adding to 1001011201223 its reverse (3221021101001), we get a palindrome (4222032302224).

The spelling of 1001011201223 in words is "one trillion, one billion, eleven million, two hundred one thousand, two hundred twenty-three".