210202110221002 has 8 divisors (see below), whose sum is σ = 315908353750212. Its totient is φ = 104899325637600.

The previous prime is 210202110220979. The next prime is 210202110221003. The reversal of 210202110221002 is 200122011202012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 191123463717081 + 19078646503921 = 13824741^2 + 4367911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (210202110221003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100864735149 + ... + 100864737232.

Almost surely, 2^{210202110221002} is an apocalyptic number.

210202110221002 is a deficient number, since it is larger than the sum of its proper divisors (105706243529210).

210202110221002 is a wasteful number, since it uses less digits than its factorization.

210202110221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201729472904.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210202110221002 its reverse (200122011202012), we get a palindrome (410324121423014).

The spelling of 210202110221002 in words is "two hundred ten trillion, two hundred two billion, one hundred ten million, two hundred twenty-one thousand, two".