222121110010 has 8 divisors (see below), whose sum is σ = 399817998036. Its totient is φ = 88848444000.

The previous prime is 222121109989. The next prime is 222121110031. The reversal of 222121110010 is 10011121222.

It is an interprime number because it is at equal distance from previous prime (222121109989) and next prime (222121110031).

It can be written as a sum of positive squares in 2 ways, for example, as 214608901081 + 7512208929 = 463259^2 + 86673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11106055491 + ... + 11106055510.

Almost surely, 2^222121110010 is an apocalyptic number.

222121110010 is a deficient number, since it is larger than the sum of its proper divisors (177696888026).

222121110010 is a wasteful number, since it uses less digits than its factorization.

222121110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212111008.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222121110010 its reverse (10011121222), we get a palindrome (232132231232).

The spelling of 222121110010 in words is "two hundred twenty-two billion, one hundred twenty-one million, one hundred ten thousand, ten".