102216254501145 has 32 divisors (see below), whose sum is σ = 170958668267520. Its totient is φ = 52088969200320.

The previous prime is 102216254501099. The next prime is 102216254501147. The reversal of 102216254501145 is 541105452612201.

It is not a de Polignac number, because 102216254501145 - 2¹⁷ = 102216254370073 is a prime.

It is a super-2 number, since 2×102216254501145² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102216254501147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1391228469 + ... + 1391301938.

It is an arithmetic number, because the mean of its divisors is an integer number (5342458383360).

Almost surely, 2^{102216254501145} is an apocalyptic number.

102216254501145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102216254501145 is a deficient number, since it is larger than the sum of its proper divisors (68742413766375).

102216254501145 is a wasteful number, since it uses less digits than its factorization.

102216254501145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782530525.

The product of its (nonzero) digits is 96000, while the sum is 39.

The spelling of 102216254501145 in words is "one hundred two trillion, two hundred sixteen billion, two hundred fifty-four million, five hundred one thousand, one hundred forty-five".