202111102 has 8 divisors (see below), whose sum is σ = 305554176. Its totient is φ = 100259712.

The previous prime is 202111081. The next prime is 202111109. The reversal of 202111102 is 201111202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111109) 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, 397603 + ... + 398110.

It is an arithmetic number, because the mean of its divisors is an integer number (38194272).

Almost surely, 2^202111102 is an apocalyptic number.

202111102 is a deficient number, since it is larger than the sum of its proper divisors (103443074).

202111102 is a wasteful number, since it uses less digits than its factorization.

202111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795842.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 202111102 is about 14216.5784209844. The cubic root of 202111102 is about 586.8539832438.

Adding to 202111102 its reverse (201111202), we get a palindrome (403222304).

The spelling of 202111102 in words is "two hundred two million, one hundred eleven thousand, one hundred two".