210122121002 has 8 divisors (see below), whose sum is σ = 315673359456. Its totient is φ = 104897667852.

The previous prime is 210122120951. The next prime is 210122121007. The reversal of 210122121002 is 200121221012.

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 (210122121007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81694718 + ... + 81697289.

It is an arithmetic number, because the mean of its divisors is an integer number (39459169932).

Almost surely, 2^210122121002 is an apocalyptic number.

210122121002 is a deficient number, since it is larger than the sum of its proper divisors (105551238454).

210122121002 is a wasteful number, since it uses less digits than its factorization.

210122121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163392652.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210122121002 its reverse (200121221012), we get a palindrome (410243342014).

The spelling of 210122121002 in words is "two hundred ten billion, one hundred twenty-two million, one hundred twenty-one thousand, two".