210122002010 has 8 divisors (see below), whose sum is σ = 378219603636. Its totient is φ = 84048800800.

The previous prime is 210122001977. The next prime is 210122002049. The reversal of 210122002010 is 10200221012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 209893175881 + 228826129 = 458141^2 + 15127^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 210122001982 and 210122002000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10506100091 + ... + 10506100110.

Almost surely, 2^210122002010 is an apocalyptic number.

210122002010 is a deficient number, since it is larger than the sum of its proper divisors (168097601626).

210122002010 is a wasteful number, since it uses less digits than its factorization.

210122002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21012200208.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210122002010 its reverse (10200221012), we get a palindrome (220322223022).

The spelling of 210122002010 in words is "two hundred ten billion, one hundred twenty-two million, two thousand, ten".