210201022221102 has 128 divisors (see below), whose sum is σ = 547152771916800. Its totient is φ = 59106008908800.

The previous prime is 210201022221037. The next prime is 210201022221109. The reversal of 210201022221102 is 201122220102012.

It is a happy number.

210201022221102 is a `hidden beast` number, since 210 + 20 + 1 + 0 + 222 + 211 + 0 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210201022221109) 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, 145875327 + ... + 147309242.

It is an arithmetic number, because the mean of its divisors is an integer number (4274631030600).

Almost surely, 2^{210201022221102} is an apocalyptic number.

210201022221102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210201022221102 is an abundant number, since it is smaller than the sum of its proper divisors (336951749695698).

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

210201022221102 is a wasteful number, since it uses less digits than its factorization.

210201022221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293184679 (or 293184673 counting only the distinct ones).

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

Adding to 210201022221102 its reverse (201122220102012), we get a palindrome (411323242323114).

The spelling of 210201022221102 in words is "two hundred ten trillion, two hundred one billion, twenty-two million, two hundred twenty-one thousand, one hundred two".