202221211002102 has 48 divisors (see below), whose sum is σ = 455934303190080. Its totient is φ = 64723540913136.

The previous prime is 202221211002047. The next prime is 202221211002113. The reversal of 202221211002102 is 201200112122202.

It is a happy number.

202221211002102 is a `hidden beast` number, since 20 + 2 + 221 + 211 + 0 + 0 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2214087508 + ... + 2214178839.

It is an arithmetic number, because the mean of its divisors is an integer number (9498631316460).

Almost surely, 2^{202221211002102} is an apocalyptic number.

202221211002102 is an abundant number, since it is smaller than the sum of its proper divisors (253713092187978).

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

202221211002102 is a wasteful number, since it uses less digits than its factorization.

202221211002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428266457 (or 4428266454 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202221211002102 its reverse (201200112122202), we get a palindrome (403421323124304).

The spelling of 202221211002102 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred eleven million, two thousand, one hundred two".