101202102 has 32 divisors (see below), whose sum is σ = 225244800. Its totient is φ = 33681384.

The previous prime is 101202097. The next prime is 101202103. The reversal of 101202102 is 201202101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50149 + ... + 52127.

It is an arithmetic number, because the mean of its divisors is an integer number (7038900).

Almost surely, 2^101202102 is an apocalyptic number.

101202102 is an abundant number, since it is smaller than the sum of its proper divisors (124042698).

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

101202102 is a wasteful number, since it uses less digits than its factorization.

101202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937 (or 2931 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 101202102 is about 10059.9255464442. The cubic root of 101202102 is about 466.0113678943.

Adding to 101202102 its reverse (201202101), we get a palindrome (302404203).

Subtracting 101202102 from its reverse (201202101), we obtain a palindrome (99999999).

The spelling of 101202102 in words is "one hundred one million, two hundred two thousand, one hundred two".