2221100212102 has 16 divisors (see below), whose sum is σ = 3366094102272. Its totient is φ = 1099127874880.

The previous prime is 2221100212099. The next prime is 2221100212141. The reversal of 2221100212102 is 2012120011222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14682103 + ... + 14832610.

It is an arithmetic number, because the mean of its divisors is an integer number (210380881392).

Almost surely, 2^{2221100212102} is an apocalyptic number.

2221100212102 is a deficient number, since it is larger than the sum of its proper divisors (1144993890170).

2221100212102 is a wasteful number, since it uses less digits than its factorization.

2221100212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29515103.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221100212102 its reverse (2012120011222), we get a palindrome (4233220223324).

The spelling of 2221100212102 in words is "two trillion, two hundred twenty-one billion, one hundred million, two hundred twelve thousand, one hundred two".