102102211102019 has 8 divisors (see below), whose sum is σ = 106781937541632. Its totient is φ = 97442526318280.

The previous prime is 102102211102009. The next prime is 102102211102027. The reversal of 102102211102019 is 910201112201201.

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 102102211102019 - 2⁸ = 102102211101763 is a prime.

It is a super-2 number, since 2×102102211102019² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102102211101985 and 102102211102003.

It is not an unprimeable number, because it can be changed into a prime (102102211102009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5010403547 + ... + 5010423924.

It is an arithmetic number, because the mean of its divisors is an integer number (13347742192704).

Almost surely, 2^{102102211102019} is an apocalyptic number.

102102211102019 is a deficient number, since it is larger than the sum of its proper divisors (4679726439613).

102102211102019 is a wasteful number, since it uses less digits than its factorization.

102102211102019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020827937.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 102102211102019 in words is "one hundred two trillion, one hundred two billion, two hundred eleven million, one hundred two thousand, nineteen".