210021121011002 has 16 divisors (see below), whose sum is σ = 368817578361792. Its totient is φ = 87813709133280.

The previous prime is 210021121010999. The next prime is 210021121011029. The reversal of 210021121011002 is 200110121120012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 182945226788 + ... + 182945227935.

It is an arithmetic number, because the mean of its divisors is an integer number (23051098647612).

Almost surely, 2^{210021121011002} is an apocalyptic number.

210021121011002 is a deficient number, since it is larger than the sum of its proper divisors (158796457350790).

210021121011002 is a wasteful number, since it uses less digits than its factorization.

210021121011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365890454773.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210021121011002 its reverse (200110121120012), we get a palindrome (410131242131014).

The spelling of 210021121011002 in words is "two hundred ten trillion, twenty-one billion, one hundred twenty-one million, eleven thousand, two".