210021201012102 has 8 divisors (see below), whose sum is σ = 420042402024216. Its totient is φ = 70007067004032.

The previous prime is 210021201012101. The next prime is 210021201012137. The reversal of 210021201012102 is 201210102120012.

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

210021201012102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021201012101) 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, 17501766751003 + ... + 17501766751014.

It is an arithmetic number, because the mean of its divisors is an integer number (52505300253027).

Almost surely, 2^{210021201012102} is an apocalyptic number.

210021201012102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210021201012102 is a wasteful number, since it uses less digits than its factorization.

210021201012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35003533502022.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210021201012102 its reverse (201210102120012), we get a palindrome (411231303132114).

The spelling of 210021201012102 in words is "two hundred ten trillion, twenty-one billion, two hundred one million, twelve thousand, one hundred two".