102231222101 has 4 divisors (see below), whose sum is σ = 102232845900. Its totient is φ = 102229598304.

The previous prime is 102231222097. The next prime is 102231222127. The reversal of 102231222101 is 101222132201.

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 95620719076 + 6610503025 = 309226^2 + 81305^2 .

It is a cyclic number.

It is not a de Polignac number, because 102231222101 - 2² = 102231222097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102231222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231222601) 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, 713486 + ... + 844703.

It is an arithmetic number, because the mean of its divisors is an integer number (25558211475).

Almost surely, 2^102231222101 is an apocalyptic number.

It is an amenable number.

102231222101 is a deficient number, since it is larger than the sum of its proper divisors (1623799).

102231222101 is an equidigital number, since it uses as much as digits as its factorization.

102231222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623798.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102231222101 its reverse (101222132201), we get a palindrome (203453354302).

The spelling of 102231222101 in words is "one hundred two billion, two hundred thirty-one million, two hundred twenty-two thousand, one hundred one".