210021101102 has 8 divisors (see below), whose sum is σ = 321734452896. Its totient is φ = 102776283472.

The previous prime is 210021101063. The next prime is 210021101107. The reversal of 210021101102 is 201101120012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×210021101102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021101107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117133423 + ... + 1117133610.

It is an arithmetic number, because the mean of its divisors is an integer number (40216806612).

Almost surely, 2^210021101102 is an apocalyptic number.

210021101102 is a deficient number, since it is larger than the sum of its proper divisors (111713351794).

210021101102 is a wasteful number, since it uses less digits than its factorization.

210021101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234267082.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210021101102 its reverse (201101120012), we get a palindrome (411122221114).

The spelling of 210021101102 in words is "two hundred ten billion, twenty-one million, one hundred one thousand, one hundred two".