210101010220222 has 128 divisors (see below), whose sum is σ = 366577572602880. Its totient is φ = 89376005283840.

The previous prime is 210101010220217. The next prime is 210101010220229. The reversal of 210101010220222 is 222022010101012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210101010220196 and 210101010220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210101010220229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7535079493 + ... + 7535107375.

It is an arithmetic number, because the mean of its divisors is an integer number (2863887285960).

Almost surely, 2^{210101010220222} is an apocalyptic number.

210101010220222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210101010220222 is a deficient number, since it is larger than the sum of its proper divisors (156476562382658).

210101010220222 is a wasteful number, since it uses less digits than its factorization.

210101010220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29618.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210101010220222 its reverse (222022010101012), we get a palindrome (432123020321234).

The spelling of 210101010220222 in words is "two hundred ten trillion, one hundred one billion, ten million, two hundred twenty thousand, two hundred twenty-two".