202102200102 has 32 divisors (see below), whose sum is σ = 440971962624. Its totient is φ = 61240076000.

The previous prime is 202102200089. The next prime is 202102200103. The reversal of 202102200102 is 201002201202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102200103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533727 + ... + 1660277.

It is an arithmetic number, because the mean of its divisors is an integer number (13780373832).

Almost surely, 2^202102200102 is an apocalyptic number.

202102200102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202102200102 is an abundant number, since it is smaller than the sum of its proper divisors (238869762522).

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

202102200102 is a wasteful number, since it uses less digits than its factorization.

202102200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150764.

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

Adding to 202102200102 its reverse (201002201202), we get a palindrome (403104401304).

It can be divided in two parts, 202102 and 200102, that multiplied together give a palindrome (40441014404).

The spelling of 202102200102 in words is "two hundred two billion, one hundred two million, two hundred thousand, one hundred two".