202102122 has 8 divisors (see below), whose sum is σ = 404204256. Its totient is φ = 67367372.

The previous prime is 202102097. The next prime is 202102123. The reversal of 202102122 is 221201202.

202102122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

202102122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 202102098 and 202102107.

It is not an unprimeable number, because it can be changed into a prime (202102123) 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, 16841838 + ... + 16841849.

It is an arithmetic number, because the mean of its divisors is an integer number (50525532).

Almost surely, 2^202102122 is an apocalyptic number.

202102122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202102122 is a wasteful number, since it uses less digits than its factorization.

202102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33683692.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 202102122 is about 14216.2625890211. The cubic root of 202102122 is about 586.8452916104.

Adding to 202102122 its reverse (221201202), we get a palindrome (423303324).

The spelling of 202102122 in words is "two hundred two million, one hundred two thousand, one hundred twenty-two".