221000201010 has 64 divisors (see below), whose sum is σ = 590127586560. Its totient is φ = 58854015360.

The previous prime is 221000201003. The next prime is 221000201029. The reversal of 221000201010 is 10102000122.

221000201010 is digitally balanced in base 3, 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 (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221000200983 and 221000201001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350211 + ... + 751430.

It is an arithmetic number, because the mean of its divisors is an integer number (9220743540).

Almost surely, 2^221000201010 is an apocalyptic number.

221000201010 is an abundant number, since it is smaller than the sum of its proper divisors (369127385550).

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

221000201010 is a wasteful number, since it uses less digits than its factorization.

221000201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102400 (or 1102394 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 221000201010 its reverse (10102000122), we get a palindrome (231102201132).

The spelling of 221000201010 in words is "two hundred twenty-one billion, two hundred one thousand, ten".