222220210021210 has 8 divisors (see below), whose sum is σ = 399996378038196. Its totient is φ = 88888084008480.

The previous prime is 222220210021177. The next prime is 222220210021211. The reversal of 222220210021210 is 12120012022222.

222220210021210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 199741886862049 + 22478323159161 = 14133007^2 + 4741131^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222220210021211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11111010501051 + ... + 11111010501070.

Almost surely, 2^{222220210021210} is an apocalyptic number.

222220210021210 is a deficient number, since it is larger than the sum of its proper divisors (177776168016986).

222220210021210 is a wasteful number, since it uses less digits than its factorization.

222220210021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22222021002128.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222220210021210 its reverse (12120012022222), we get a palindrome (234340222043432).

The spelling of 222220210021210 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred ten million, twenty-one thousand, two hundred ten".