222221120220203 has 32 divisors (see below), whose sum is σ = 250213473014400. Its totient is φ = 195820971540480.

The previous prime is 222221120220139. The next prime is 222221120220223. The reversal of 222221120220203 is 302022021122222.

It is not a de Polignac number, because 222221120220203 - 2⁶ = 222221120220139 is a prime.

It is a super-2 number, since 2×222221120220203² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (222221120220223) 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, 4111448123 + ... + 4111502171.

It is an arithmetic number, because the mean of its divisors is an integer number (7819171031700).

Almost surely, 2^{222221120220203} is an apocalyptic number.

222221120220203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

222221120220203 is a deficient number, since it is larger than the sum of its proper divisors (27992352794197).

222221120220203 is a wasteful number, since it uses less digits than its factorization.

222221120220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80999.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 222221120220203 its reverse (302022021122222), we get a palindrome (524243141342425).

The spelling of 222221120220203 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twenty thousand, two hundred three".