210221120202 has 32 divisors (see below), whose sum is σ = 426125940480. Its totient is φ = 69127930560.

The previous prime is 210221120191. The next prime is 210221120231. The reversal of 210221120202 is 202021122012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372028 + ... + 747560.

It is an arithmetic number, because the mean of its divisors is an integer number (13316435640).

Almost surely, 2^210221120202 is an apocalyptic number.

210221120202 is an abundant number, since it is smaller than the sum of its proper divisors (215904820278).

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

210221120202 is a wasteful number, since it uses less digits than its factorization.

210221120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376798.

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

Adding to 210221120202 its reverse (202021122012), we get a palindrome (412242242214).

The spelling of 210221120202 in words is "two hundred ten billion, two hundred twenty-one million, one hundred twenty thousand, two hundred two".