102220211201 has 4 divisors (see below), whose sum is σ = 105745046100. Its totient is φ = 98695376304.

The previous prime is 102220211189. The next prime is 102220211209. The reversal of 102220211201 is 102112022201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58153804801 + 44066406400 = 241151^2 + 209920^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220211201 - 2¹⁸ = 102219949057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102220211209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762417406 + ... + 1762417463.

It is an arithmetic number, because the mean of its divisors is an integer number (26436261525).

Almost surely, 2^102220211201 is an apocalyptic number.

It is an amenable number.

102220211201 is a deficient number, since it is larger than the sum of its proper divisors (3524834899).

102220211201 is an equidigital number, since it uses as much as digits as its factorization.

102220211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524834898.

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

Adding to 102220211201 its reverse (102112022201), we get a palindrome (204332233402).

The spelling of 102220211201 in words is "one hundred two billion, two hundred twenty million, two hundred eleven thousand, two hundred one".