201000210121002 has 32 divisors (see below), whose sum is σ = 402153351163200. Its totient is φ = 66974582615168.

The previous prime is 201000210121001. The next prime is 201000210121033. The reversal of 201000210121002 is 200121012000102.

It is not an unprimeable number, because it can be changed into a prime (201000210121001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986852758 + ... + 987056414.

It is an arithmetic number, because the mean of its divisors is an integer number (12567292223850).

Almost surely, 2^{201000210121002} is an apocalyptic number.

201000210121002 is an abundant number, since it is smaller than the sum of its proper divisors (201153141042198).

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

201000210121002 is a wasteful number, since it uses less digits than its factorization.

201000210121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265430.

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

Adding to 201000210121002 its reverse (200121012000102), we get a palindrome (401121222121104).

The spelling of 201000210121002 in words is "two hundred one trillion, two hundred ten million, one hundred twenty-one thousand, two".