21322023212203 has 8 divisors (see below), whose sum is σ = 24370640356608. Its totient is φ = 18274059524904.

The previous prime is 21322023212179. The next prime is 21322023212213. The reversal of 21322023212203 is 30221232022312.

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 21322023212203 - 2⁹ = 21322023211691 is a prime.

It is a super-2 number, since 2×21322023212203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21322023212213) 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, 163294351 + ... + 163424872.

It is an arithmetic number, because the mean of its divisors is an integer number (3046330044576).

Almost surely, 2^{21322023212203} is an apocalyptic number.

21322023212203 is a deficient number, since it is larger than the sum of its proper divisors (3048617144405).

21322023212203 is an equidigital number, since it uses as much as digits as its factorization.

21322023212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326728553.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21322023212203 its reverse (30221232022312), we get a palindrome (51543255234515).

The spelling of 21322023212203 in words is "twenty-one trillion, three hundred twenty-two billion, twenty-three million, two hundred twelve thousand, two hundred three".