210001211201002 has 16 divisors (see below), whose sum is σ = 339246341341992. Its totient is φ = 96919745780160.

The previous prime is 210001211200931. The next prime is 210001211201021. The reversal of 210001211201002 is 200102112100012.

It can be written as a sum of positive squares in 4 ways, for example, as 128780939652561 + 81220271548441 = 11348169^2 + 9012229^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161429649 + ... + 162725332.

Almost surely, 2^{210001211201002} is an apocalyptic number.

210001211201002 is a deficient number, since it is larger than the sum of its proper divisors (129245130140990).

210001211201002 is a wasteful number, since it uses less digits than its factorization.

210001211201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324179913.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210001211201002 its reverse (200102112100012), we get a palindrome (410103323301014).

The spelling of 210001211201002 in words is "two hundred ten trillion, one billion, two hundred eleven million, two hundred one thousand, two".