210000121102002 has 128 divisors (see below), whose sum is σ = 530304115507200. Its totient is φ = 53851061908800.

The previous prime is 210000121101977. The next prime is 210000121102043. The reversal of 210000121102002 is 200201121000012.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 511168149 + ... + 511578807.

It is an arithmetic number, because the mean of its divisors is an integer number (4143000902400).

Almost surely, 2^{210000121102002} is an apocalyptic number.

210000121102002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 210000121102002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265152057753600).

210000121102002 is an abundant number, since it is smaller than the sum of its proper divisors (320303994405198).

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

210000121102002 is a wasteful number, since it uses less digits than its factorization.

210000121102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424772.

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

Adding to 210000121102002 its reverse (200201121000012), we get a palindrome (410201242102014).

The spelling of 210000121102002 in words is "two hundred ten trillion, one hundred twenty-one million, one hundred two thousand, two".