210200101110021 has 16 divisors (see below), whose sum is σ = 305759257532928. Its totient is φ = 127388310706800.

The previous prime is 210200101110019. The next prime is 210200101110071. The reversal of 210200101110021 is 120011101002012.

It is not a de Polignac number, because 210200101110021 - 2¹ = 210200101110019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210200101109979 and 210200101110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200101110071) 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, 141499051 + ... + 142976856.

It is an arithmetic number, because the mean of its divisors is an integer number (19109953595808).

Almost surely, 2^{210200101110021} is an apocalyptic number.

It is an amenable number.

210200101110021 is a deficient number, since it is larger than the sum of its proper divisors (95559156422907).

210200101110021 is a wasteful number, since it uses less digits than its factorization.

210200101110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284498312.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210200101110021 its reverse (120011101002012), we get a palindrome (330211202112033).

The spelling of 210200101110021 in words is "two hundred ten trillion, two hundred billion, one hundred one million, one hundred ten thousand, twenty-one".