221201002010 has 16 divisors (see below), whose sum is σ = 415473186816. Its totient is φ = 84633426768.

The previous prime is 221201001947. The next prime is 221201002027. The reversal of 221201002010 is 10200102122.

It is a happy number.

221201002010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221201001982 and 221201002000.

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, 480871514 + ... + 480871973.

It is an arithmetic number, because the mean of its divisors is an integer number (25967074176).

Almost surely, 2^221201002010 is an apocalyptic number.

221201002010 is a deficient number, since it is larger than the sum of its proper divisors (194272184806).

221201002010 is a wasteful number, since it uses less digits than its factorization.

221201002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961743517.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 221201002010 its reverse (10200102122), we get a palindrome (231401104132).

The spelling of 221201002010 in words is "two hundred twenty-one billion, two hundred one million, two thousand, ten".