202101101210 has 64 divisors (see below), whose sum is σ = 388653811200. Its totient is φ = 75533348352.

The previous prime is 202101101113. The next prime is 202101101243. The reversal of 202101101210 is 12101101202.

It is a super-2 number, since 2×202101101210² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202101101191 and 202101101200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1129769 + ... + 1296371.

It is an arithmetic number, because the mean of its divisors is an integer number (6072715800).

Almost surely, 2^202101101210 is an apocalyptic number.

202101101210 is a deficient number, since it is larger than the sum of its proper divisors (186552709990).

202101101210 is a wasteful number, since it uses less digits than its factorization.

202101101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166775.

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

Adding to 202101101210 its reverse (12101101202), we get a palindrome (214202202412).

The spelling of 202101101210 in words is "two hundred two billion, one hundred one million, one hundred one thousand, two hundred ten".