210021200022103 has 2 divisors, whose sum is σ = 210021200022104. Its totient is φ = 210021200022102.

The previous prime is 210021200022097. The next prime is 210021200022209. The reversal of 210021200022103 is 301220002120012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210021200022103 - 2⁵ = 210021200022071 is a prime.

It is a super-4 number, since 4×210021200022103⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210021201022103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010600011051 + 105010600011052.

It is an arithmetic number, because the mean of its divisors is an integer number (105010600011052).

Almost surely, 2^{210021200022103} is an apocalyptic number.

210021200022103 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021200022103 is an equidigital number, since it uses as much as digits as its factorization.

210021200022103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210021200022103 its reverse (301220002120012), we get a palindrome (511241202142115).

The spelling of 210021200022103 in words is "two hundred ten trillion, twenty-one billion, two hundred million, twenty-two thousand, one hundred three".