20102201221223 has 8 divisors (see below), whose sum is σ = 21939001894656. Its totient is φ = 18266955187000.

The previous prime is 20102201221213. The next prime is 20102201221339. The reversal of 20102201221223 is 32212210220102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20102201221223 - 2¹⁸ = 20102200959079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102201221195 and 20102201221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102201221213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388632761 + ... + 388684482.

It is an arithmetic number, because the mean of its divisors is an integer number (2742375236832).

Almost surely, 2^{20102201221223} is an apocalyptic number.

20102201221223 is a deficient number, since it is larger than the sum of its proper divisors (1836800673433).

20102201221223 is a wasteful number, since it uses less digits than its factorization.

20102201221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777319605.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20102201221223 its reverse (32212210220102), we get a palindrome (52314411441325).

The spelling of 20102201221223 in words is "twenty trillion, one hundred two billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty-three".