221200211200010 has 48 divisors (see below), whose sum is σ = 463171664440800. Its totient is φ = 75839170528800.

The previous prime is 221200211199997. The next prime is 221200211200037. The reversal of 221200211200010 is 10002112002122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39229541 + ... + 44512439.

It is an arithmetic number, because the mean of its divisors is an integer number (9649409675850).

Almost surely, 2^{221200211200010} is an apocalyptic number.

221200211200010 is an abundant number, since it is smaller than the sum of its proper divisors (241971453240790).

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

221200211200010 is a wasteful number, since it uses less digits than its factorization.

221200211200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368371 (or 5368364 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221200211200010 its reverse (10002112002122), we get a palindrome (231202323202132).

The spelling of 221200211200010 in words is "two hundred twenty-one trillion, two hundred billion, two hundred eleven million, two hundred thousand, ten".