202021322102 has 32 divisors (see below), whose sum is σ = 314799022080. Its totient is φ = 97130669760.

The previous prime is 202021322099. The next prime is 202021322117. The reversal of 202021322102 is 201223120202.

It is a super-2 number, since 2×202021322102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15897083 + ... + 15909785.

It is an arithmetic number, because the mean of its divisors is an integer number (9837469440).

Almost surely, 2^202021322102 is an apocalyptic number.

202021322102 is a deficient number, since it is larger than the sum of its proper divisors (112777699978).

202021322102 is a wasteful number, since it uses less digits than its factorization.

202021322102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14348.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 202021322102 its reverse (201223120202), we get a palindrome (403244442304).

The spelling of 202021322102 in words is "two hundred two billion, twenty-one million, three hundred twenty-two thousand, one hundred two".