1001202221223 has 16 divisors (see below), whose sum is σ = 1486235040000. Its totient is φ = 666130527000.

The previous prime is 1001202221213. The next prime is 1001202221249. The reversal of 1001202221223 is 3221222021001.

1001202221223 is a `hidden beast` number, since 100 + 120 + 2 + 221 + 223 = 666.

It is not a de Polignac number, because 1001202221223 - 2²⁵ = 1001168666791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001202221196 and 1001202221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001202221203) 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, 37142403 + ... + 37169348.

It is an arithmetic number, because the mean of its divisors is an integer number (92889690000).

Almost surely, 2^{1001202221223} is an apocalyptic number.

1001202221223 is a deficient number, since it is larger than the sum of its proper divisors (485032818777).

1001202221223 is an equidigital number, since it uses as much as digits as its factorization.

1001202221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74312259 (or 74312253 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1001202221223 its reverse (3221222021001), we get a palindrome (4222424242224).

The spelling of 1001202221223 in words is "one trillion, one billion, two hundred two million, two hundred twenty-one thousand, two hundred twenty-three".