222102020002100 has 72 divisors (see below), whose sum is σ = 569806561712640. Its totient is φ = 73523427304320.

The previous prime is 222102020002091. The next prime is 222102020002123. The reversal of 222102020002100 is 1200020201222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5470472804 + ... + 5470513403.

Almost surely, 2^{222102020002100} is an apocalyptic number.

222102020002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222102020002100 is an abundant number, since it is smaller than the sum of its proper divisors (347704541710540).

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

222102020002100 is a wasteful number, since it uses less digits than its factorization.

222102020002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10940986257 (or 10940986250 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222102020002100 its reverse (1200020201222), we get a palindrome (223302040203322).

The spelling of 222102020002100 in words is "two hundred twenty-two trillion, one hundred two billion, twenty million, two thousand, one hundred".