222121010210 has 32 divisors (see below), whose sum is σ = 436418407872. Its totient is φ = 80724329280.

The previous prime is 222121010207. The next prime is 222121010213. The reversal of 222121010210 is 12010121222.

222121010210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222121010207) and next prime (222121010213).

It is not an unprimeable number, because it can be changed into a prime (222121010213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396449 + ... + 775508.

It is an arithmetic number, because the mean of its divisors is an integer number (13638075246).

Almost surely, 2^222121010210 is an apocalyptic number.

222121010210 is a deficient number, since it is larger than the sum of its proper divisors (214297397662).

222121010210 is a wasteful number, since it uses less digits than its factorization.

222121010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173698.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222121010210 its reverse (12010121222), we get a palindrome (234131131432).

The spelling of 222121010210 in words is "two hundred twenty-two billion, one hundred twenty-one million, ten thousand, two hundred ten".