210001002120222 has 64 divisors (see below), whose sum is σ = 441400134109440. Its totient is φ = 66522217676544.

The previous prime is 210001002120211. The next prime is 210001002120227. The reversal of 210001002120222 is 222021200100012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001002120227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287341938 + ... + 288071850.

It is an arithmetic number, because the mean of its divisors is an integer number (6896877095460).

Almost surely, 2^{210001002120222} is an apocalyptic number.

210001002120222 is an abundant number, since it is smaller than the sum of its proper divisors (231399131989218).

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

210001002120222 is a wasteful number, since it uses less digits than its factorization.

210001002120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760137.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210001002120222 its reverse (222021200100012), we get a palindrome (432022202220234).

The spelling of 210001002120222 in words is "two hundred ten trillion, one billion, two million, one hundred twenty thousand, two hundred twenty-two".