210001211012002 has 4 divisors (see below), whose sum is σ = 315001816518006. Its totient is φ = 105000605506000.

The previous prime is 210001211011931. The next prime is 210001211012017. The reversal of 210001211012002 is 200210112100012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 202670216140441 + 7330994871561 = 14236229^2 + 2707581^2 .

It is a super-4 number, since 4×210001211012002⁴ (a number of 58 digits) contains 4444 as substring.

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 as a sum of consecutive naturals, namely, 52500302752999 + ... + 52500302753002.

Almost surely, 2^{210001211012002} is an apocalyptic number.

210001211012002 is a deficient number, since it is larger than the sum of its proper divisors (105000605506004).

210001211012002 is a wasteful number, since it uses less digits than its factorization.

210001211012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105000605506003.

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

Adding to 210001211012002 its reverse (200210112100012), we get a palindrome (410211323112014).

The spelling of 210001211012002 in words is "two hundred ten trillion, one billion, two hundred eleven million, twelve thousand, two".