202122102 has 64 divisors (see below), whose sum is σ = 509160960. Its totient is φ = 52061184.

The previous prime is 202122073. The next prime is 202122113. The reversal of 202122102 is 201221202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19174 + ... + 27782.

It is an arithmetic number, because the mean of its divisors is an integer number (7955640).

Almost surely, 2^202122102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202122102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254580480).

202122102 is an abundant number, since it is smaller than the sum of its proper divisors (307038858).

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

202122102 is a wasteful number, since it uses less digits than its factorization.

202122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8677.

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

The square root of 202122102 is about 14216.9652879931. The cubic root of 202122102 is about 586.8646296600.

Adding to 202122102 its reverse (201221202), we get a palindrome (403343304).

The spelling of 202122102 in words is "two hundred two million, one hundred twenty-two thousand, one hundred two".