210102122002 has 16 divisors (see below), whose sum is σ = 320341507992. Its totient is φ = 103321854720.

The previous prime is 210102121963. The next prime is 210102122003. The reversal of 210102122002 is 200221201012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 130464717601 + 79637404401 = 361199^2 + 282201^2 .

It is not an unprimeable number, because it can be changed into a prime (210102122003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040468 + ... + 2140960.

Almost surely, 2^210102122002 is an apocalyptic number.

210102122002 is a deficient number, since it is larger than the sum of its proper divisors (110239385990).

210102122002 is a wasteful number, since it uses less digits than its factorization.

210102122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117693.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210102122002 its reverse (200221201012), we get a palindrome (410323323014).

The spelling of 210102122002 in words is "two hundred ten billion, one hundred two million, one hundred twenty-two thousand, two".