210022021100 has 36 divisors (see below), whose sum is σ = 455866905984. Its totient is φ = 83986850880.

The previous prime is 210022021093. The next prime is 210022021109. The reversal of 210022021100 is 1120220012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210022021109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112757 + ... + 657843.

Almost surely, 2^210022021100 is an apocalyptic number.

210022021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210022021100 is an abundant number, since it is smaller than the sum of its proper divisors (245844884884).

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

210022021100 is a wasteful number, since it uses less digits than its factorization.

210022021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548954 (or 548947 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210022021100 its reverse (1120220012), we get a palindrome (211142241112).

The spelling of 210022021100 in words is "two hundred ten billion, twenty-two million, twenty-one thousand, one hundred".