2212021002100 has 72 divisors (see below), whose sum is σ = 5907797654528. Its totient is φ = 700068182400.

The previous prime is 2212021002097. The next prime is 2212021002131. The reversal of 2212021002100 is 12001202122.

It is a happy number.

2212021002100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121530516 + ... + 121548715.

Almost surely, 2^{2212021002100} is an apocalyptic number.

2212021002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212021002100 is an abundant number, since it is smaller than the sum of its proper divisors (3695776652428).

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

2212021002100 is a wasteful number, since it uses less digits than its factorization.

2212021002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243079265 (or 243079258 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2212021002100 its reverse (12001202122), we get a palindrome (2224022204222).

The spelling of 2212021002100 in words is "two trillion, two hundred twelve billion, twenty-one million, two thousand, one hundred".