202101102122 has 8 divisors (see below), whose sum is σ = 303187007172. Its totient is φ = 101038766400.

The previous prime is 202101102089. The next prime is 202101102233. The reversal of 202101102122 is 221201101202.

It can be written as a sum of positive squares in 2 ways, for example, as 164437549081 + 37663553041 = 405509^2 + 194071^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 202101102097 and 202101102106.

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 3 ways as a sum of consecutive naturals, for example, 5870879 + ... + 5905202.

Almost surely, 2^202101102122 is an apocalyptic number.

202101102122 is a deficient number, since it is larger than the sum of its proper divisors (101085905050).

202101102122 is a wasteful number, since it uses less digits than its factorization.

202101102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11784664.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202101102122 its reverse (221201101202), we get a palindrome (423302203324).

The spelling of 202101102122 in words is "two hundred two billion, one hundred one million, one hundred two thousand, one hundred twenty-two".