223202111012221 has 32 divisors (see below), whose sum is σ = 267893115494400. Its totient is φ = 183570668297280.

The previous prime is 223202111012213. The next prime is 223202111012273. The reversal of 223202111012221 is 122210111202322.

It is not a de Polignac number, because 223202111012221 - 2³ = 223202111012213 is a prime.

It is a super-3 number, since 3×223202111012221³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 223202111012192 and 223202111012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223202111012291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35329866 + ... + 41165563.

It is an arithmetic number, because the mean of its divisors is an integer number (8371659859200).

Almost surely, 2^{223202111012221} is an apocalyptic number.

It is an amenable number.

223202111012221 is a deficient number, since it is larger than the sum of its proper divisors (44691004482179).

223202111012221 is a wasteful number, since it uses less digits than its factorization.

223202111012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76496089.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 223202111012221 its reverse (122210111202322), we get a palindrome (345412222214543).

The spelling of 223202111012221 in words is "two hundred twenty-three trillion, two hundred two billion, one hundred eleven million, twelve thousand, two hundred twenty-one".