210110021220222 has 20 divisors (see below), whose sum is σ = 470802084586416. Its totient is φ = 70036673740020.

The previous prime is 210110021220131. The next prime is 210110021220263. The reversal of 210110021220222 is 222022120011012.

It is a happy number.

210110021220222 is a `hidden beast` number, since 2 + 101 + 100 + 21 + 220 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210110021220195 and 210110021220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 648487719654 + ... + 648487719977.

Almost surely, 2^{210110021220222} is an apocalyptic number.

210110021220222 is an abundant number, since it is smaller than the sum of its proper divisors (260692063366194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210110021220222 is a wasteful number, since it uses less digits than its factorization.

210110021220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296975439645 (or 1296975439636 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210110021220222 its reverse (222022120011012), we get a palindrome (432132141231234).

The spelling of 210110021220222 in words is "two hundred ten trillion, one hundred ten billion, twenty-one million, two hundred twenty thousand, two hundred twenty-two".