102222111012101 has 4 divisors (see below), whose sum is σ = 108235176365772. Its totient is φ = 96209045658432.

The previous prime is 102222111012029. The next prime is 102222111012113. The reversal of 102222111012101 is 101210111222201.

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 89511467102500 + 12710643909601 = 9461050^2 + 3565199^2 .

It is a cyclic number.

It is not a de Polignac number, because 102222111012101 - 2²² = 102222106817797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6013065353653 = 102222111012101 / (1 + 0 + 2 + 2 + 2 + 2 + 1 + 1 + 1 + 0 + 1 + 2 + 1 + 0 + 1).

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 102222111012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222111012181) 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, 3006532676810 + ... + 3006532676843.

It is an arithmetic number, because the mean of its divisors is an integer number (27058794091443).

Almost surely, 2^{102222111012101} is an apocalyptic number.

It is an amenable number.

102222111012101 is a deficient number, since it is larger than the sum of its proper divisors (6013065353671).

102222111012101 is an equidigital number, since it uses as much as digits as its factorization.

102222111012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013065353670.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102222111012101 its reverse (101210111222201), we get a palindrome (203432222234302).

The spelling of 102222111012101 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred eleven million, twelve thousand, one hundred one".