210200221121022 has 48 divisors (see below), whose sum is σ = 496861815960432. Its totient is φ = 63693840591360.

The previous prime is 210200221120993. The next prime is 210200221121071. The reversal of 210200221121022 is 220121122002012.

It is a happy number.

210200221121022 is a `hidden beast` number, since 2 + 10 + 200 + 221 + 1 + 210 + 22 = 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 = 210200221120986 and 210200221121004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22676773 + ... + 30571824.

It is an arithmetic number, because the mean of its divisors is an integer number (10351287832509).

Almost surely, 2^{210200221121022} is an apocalyptic number.

210200221121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210200221121022 is an abundant number, since it is smaller than the sum of its proper divisors (286661594839410).

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

210200221121022 is a wasteful number, since it uses less digits than its factorization.

210200221121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53268553 (or 53268550 counting only the distinct ones).

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

Adding to 210200221121022 its reverse (220121122002012), we get a palindrome (430321343123034).

The spelling of 210200221121022 in words is "two hundred ten trillion, two hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, twenty-two".