221421200002011 has 6 divisors (see below), whose sum is σ = 319830622225140. Its totient is φ = 147614133334668.

The previous prime is 221421200002003. The next prime is 221421200002021. The reversal of 221421200002011 is 110200002124122.

221421200002011 is a `hidden beast` number, since 2 + 21 + 421 + 20 + 0 + 0 + 0 + 201 + 1 = 666.

It is not a de Polignac number, because 221421200002011 - 2³ = 221421200002003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221421200002021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12301177777881 + ... + 12301177777898.

It is an arithmetic number, because the mean of its divisors is an integer number (53305103704190).

Almost surely, 2^{221421200002011} is an apocalyptic number.

221421200002011 is a deficient number, since it is larger than the sum of its proper divisors (98409422223129).

221421200002011 is a wasteful number, since it uses less digits than its factorization.

221421200002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24602355555785 (or 24602355555782 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221421200002011 its reverse (110200002124122), we get a palindrome (331621202126133).

The spelling of 221421200002011 in words is "two hundred twenty-one trillion, four hundred twenty-one billion, two hundred million, two thousand, eleven".