210013122002 has 4 divisors (see below), whose sum is σ = 315019683006. Its totient is φ = 105006561000.

The previous prime is 210013121917. The next prime is 210013122013. The reversal of 210013122002 is 200221310012.

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., 206680253641 + 3332868361 = 454621^2 + 57731^2 .

It is a super-2 number, since 2×210013122002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52503280499 + ... + 52503280502.

Almost surely, 2^210013122002 is an apocalyptic number.

210013122002 is a deficient number, since it is larger than the sum of its proper divisors (105006561004).

210013122002 is a wasteful number, since it uses less digits than its factorization.

210013122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105006561003.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 210013122002 its reverse (200221310012), we get a palindrome (410234432014).

The spelling of 210013122002 in words is "two hundred ten billion, thirteen million, one hundred twenty-two thousand, two".