2221143042100 has 36 divisors (see below), whose sum is σ = 4841494263424. Its totient is φ = 884473094880.

The previous prime is 2221143041941. The next prime is 2221143042109. The reversal of 2221143042100 is 12403411222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221143042109) 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, 49779114 + ... + 49823713.

Almost surely, 2^{2221143042100} is an apocalyptic number.

2221143042100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221143042100 is an abundant number, since it is smaller than the sum of its proper divisors (2620351221324).

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

2221143042100 is a wasteful number, since it uses less digits than its factorization.

2221143042100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99603064 (or 99603057 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2221143042100 its reverse (12403411222), we get a palindrome (2233546453322).

The spelling of 2221143042100 in words is "two trillion, two hundred twenty-one billion, one hundred forty-three million, forty-two thousand, one hundred".