102012200221 has 8 divisors (see below), whose sum is σ = 102606453504. Its totient is φ = 101419587360.

The previous prime is 102012200201. The next prime is 102012200231. The reversal of 102012200221 is 122002210201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102012200221 - 2¹⁹ = 102011675933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012200201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285261 + ... + 534226.

It is an arithmetic number, because the mean of its divisors is an integer number (12825806688).

Almost surely, 2^102012200221 is an apocalyptic number.

It is an amenable number.

102012200221 is a deficient number, since it is larger than the sum of its proper divisors (594253283).

102012200221 is an equidigital number, since it uses as much as digits as its factorization.

102012200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820211.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102012200221 its reverse (122002210201), we get a palindrome (224014410422).

The spelling of 102012200221 in words is "one hundred two billion, twelve million, two hundred thousand, two hundred twenty-one".