102111221222201 has 8 divisors (see below), whose sum is σ = 108088862882880. Its totient is φ = 96297350566032.

The previous prime is 102111221222183. The next prime is 102111221222203. The reversal of 102111221222201 is 102222122111201.

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 102111221222201 - 2¹⁸ = 102111220960057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111221222203) 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, 40942749845 + ... + 40942752338.

It is an arithmetic number, because the mean of its divisors is an integer number (13511107860360).

Almost surely, 2^{102111221222201} is an apocalyptic number.

It is an amenable number.

102111221222201 is a deficient number, since it is larger than the sum of its proper divisors (5977641660679).

102111221222201 is an equidigital number, since it uses as much as digits as its factorization.

102111221222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81885502255.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102111221222201 its reverse (102222122111201), we get a palindrome (204333343333402).

The spelling of 102111221222201 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred one".