210002121000102 has 16 divisors (see below), whose sum is σ = 430248247903152. Its totient is φ = 68293372682880.

The previous prime is 210002121000079. The next prime is 210002121000103. The reversal of 210002121000102 is 201000121200012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002121000103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426833579023 + ... + 426833579514.

It is an arithmetic number, because the mean of its divisors is an integer number (26890515493947).

Almost surely, 2^{210002121000102} is an apocalyptic number.

210002121000102 is an abundant number, since it is smaller than the sum of its proper divisors (220246126903050).

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

210002121000102 is a wasteful number, since it uses less digits than its factorization.

210002121000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853667158583.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210002121000102 its reverse (201000121200012), we get a palindrome (411002242200114).

The spelling of 210002121000102 in words is "two hundred ten trillion, two billion, one hundred twenty-one million, one hundred two", and thus it is an aban number.