210110020021222 has 4 divisors (see below), whose sum is σ = 315165030031836. Its totient is φ = 105055010010610.

The previous prime is 210110020021217. The next prime is 210110020021241. The reversal of 210110020021222 is 222120020011012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 210110020021196 and 210110020021205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52527505005304 + ... + 52527505005307.

It is an arithmetic number, because the mean of its divisors is an integer number (78791257507959).

Almost surely, 2^{210110020021222} is an apocalyptic number.

210110020021222 is a deficient number, since it is larger than the sum of its proper divisors (105055010010614).

210110020021222 is a wasteful number, since it uses less digits than its factorization.

210110020021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105055010010613.

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

Adding to 210110020021222 its reverse (222120020011012), we get a palindrome (432230040032234).

The spelling of 210110020021222 in words is "two hundred ten trillion, one hundred ten billion, twenty million, twenty-one thousand, two hundred twenty-two".