2102210122202 has 4 divisors (see below), whose sum is σ = 3153315183306. Its totient is φ = 1051105061100.

The previous prime is 2102210122121. The next prime is 2102210122223. The reversal of 2102210122202 is 2022210122012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2005817880361 + 96392241841 = 1416269^2 + 310471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525552530549 + ... + 525552530552.

Almost surely, 2^{2102210122202} is an apocalyptic number.

2102210122202 is a deficient number, since it is larger than the sum of its proper divisors (1051105061104).

2102210122202 is a wasteful number, since it uses less digits than its factorization.

2102210122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051105061103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2102210122202 its reverse (2022210122012), we get a palindrome (4124420244214).

The spelling of 2102210122202 in words is "two trillion, one hundred two billion, two hundred ten million, one hundred twenty-two thousand, two hundred two".