222202310211021 has 32 divisors (see below), whose sum is σ = 360089111925760. Its totient is φ = 119049869615616.

The previous prime is 222202310210987. The next prime is 222202310211067. The reversal of 222202310211021 is 120112013202222.

It is not a de Polignac number, because 222202310211021 - 2⁷ = 222202310210893 is a prime.

It is a super-2 number, since 2×222202310211021² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202310211121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2870569651 + ... + 2870647056.

It is an arithmetic number, because the mean of its divisors is an integer number (11252784747680).

Almost surely, 2^{222202310211021} is an apocalyptic number.

222202310211021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222202310211021 is a deficient number, since it is larger than the sum of its proper divisors (137886801714739).

222202310211021 is a wasteful number, since it uses less digits than its factorization.

222202310211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741216833.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 222202310211021 its reverse (120112013202222), we get a palindrome (342314323413243).

The spelling of 222202310211021 in words is "two hundred twenty-two trillion, two hundred two billion, three hundred ten million, two hundred eleven thousand, twenty-one".